Neutralisation. during the reaction are called spectator ions. Test.
5.5: Neutralization Reactions - Chemistry LibreTexts I will be using this in my class. Since we are using the Arrhenius definition of an acid it is quite acceptable to use H+ (or H+(aq)) to represent the hydrogen ion. A substance being split up by the action of water means it has formed a solution in water it has dissolved. Harvard Annotated Editions, When equal amounts of a strong acid such as hydrochloric acid are mixed with a strong base such as sodium hydroxide, the result is a neutral solution. Based on the application, different chemicals are used. Lets see how both water and salt are created by a neutralisation reaction, using the reaction between hydrochloric acid solutions and sodium hydroxide as an example. written and balanced chemical equations; Build an Atom uses for neutralisation, carbon dioxide formation and salt production Acids, Bases and Metals Have a look at this great interactive by BBC Bitesize - Acids, Bases and Metals. Write. An acid has a pH of less than 7. What is the definition of a neutralisation reaction. Net ionic equations for neutralization reactions are given.
Molecular, complete ionic, and net ionic equations Use uppercase for the first character in the element and lowercase for the second character. Here (the red dot and cross diagram) is ionic bonding in MgO. involving halide ions and sulphuric acid. The ionic equation for neutralisation is (higher tier): H + (aq) + OH- (aq) H 2 O (l) Neutralisation is an exothermic reaction - one in which heat is given out. An acid has a pH of less than 7. What is the Ionic Equation
Very good explanation and examples, excellent. Example: Write a balanced molecular equation for the reaction in which sodium hydroxide is neutralised by hydrochloric acid. BBC GCSE Bitesize Neutralisation.
Fe (s) + Cu 2+ (aq) Fe 2+ (aq) + Cu (s) This is the ionic equation for the reaction between iron and copper(II) sulfate. Links
. written and balanced chemical equations; Build an Atom . Skee Ball Instagram Captions, Group 7 25 22-24 Q72-73 1.1.8 BBC Bitesize -Reactivity of group 1 and 7 elements Halogens Properties of transition metals 23 18 Q76-80 1.1.10 The Transition Metals Song Chemical Bonds 28 1 Page 99 2.1 BBC Bitesize Ionic compounds and the periodic table Ionic Bonding 29 2-5 Q20-23 2.1.1 What are ionic bonds? Answers 1. Science Period 7 The sulfate ion SO 4 2- (aq) is called a spectator ion , because it doesn't change in the reaction and can be omitted from the ionic equation. They are not changed by the
Indicators are used to determine whether a solution is acidic or alkaline. Preview. The stars of our reactions were acids, or substances with a pH of less than 7. Fortunately, we have a state symbol and a set of rules to help determine which substances do and dont ionise.
Reactions between acids and bases that are both weak may result in solutions that are neutral, acidic, or basic. In order to write the net ionic equation, the weak acid must be written as a molecule since it does not ionize to a great extent in water. 21.7 Lewis Acids and Bases . Solid acids, solid bases, solid salts, and water can provide net ionic equations for neutralisation reactions. aper 1 -H Spec point Concepts CGP revision guide pages Bitesize YouTube 4.3.2 Use of amount of substance in relation to masses of pure substances-calculating relative formula mass Write the conjugate acid-base pairs for the reaction between two water molecules illustrated above. dissolving and neutralisation; 3:05 (Triple only) draw and explain energy level diagrams to represent exothermic and endothermic reactions; 3:06 (Triple . molecule, leaving the metal from the alkali and the non-metal from
Discover support designed to help you and your colleagues deliver high-quality, engaging chemistry lessons within a supportive science department. The ionic equation for neutralisation is (higher tier): H+(aq) + OH-(aq) H2O (l) Neutralisation is an exothermic reaction - one in which heat is given out. With the theory out of the way, learn these steps to write the ionic equation for any chemical reaction: Lets see how this works for a reaction that is described in words (interpreting this and turning it into a balanced symbol equation is an important skill that can be tested in the exams): When aluminium metal is added to iron(III) nitrate solution, the pale yellow colour disappears leaving a colourless solution containing metallic particles. Limiting and excess reactants in chemistry, Easy way to balance chemical equations for GCSE. Second, we write the states and break the soluble ionic compounds into their ions (these are the strong electrolytes with an (aq) after them). The ionic equation for neutralisation is (higher tier): H + (aq) + OH-(aq) H 2 O(l) Neutralisation is an exothermic reaction one in which heat is given out.
bbc bitesize pH scale and indicators Flashcards | Quizlet What is the general ionic equation for neutralisation? The exception to this is when (aq) means a substance has dissolved without ionising. fill the burette with hydrochloric acid and record the starting volume. Gravity. Revision Questions, gcsescience.com
involves substances that form ions
Neutralisation. investigating a neutralisation reaction between. Balanced ionic equations - Higher A balanced ionic equation shows the reacting ions in a chemical reaction. an ionic compound that forms when an acid and base undergo a neutralization reaction. NaOH S Aq O English Montreal School Board. Neutralisation is the reaction between an acid and a base. ; Stage 5. Basic solutions contain aqueous hydroxide ions, OH (aq). the acid to form a salt solution. Chemistry BBC Bitesize 1b 5.2 Acids, bases and salts Preparation for practical exam Acidic, alkaline and neutral substances. The word equation for neutralization is acid + base = salt + water. material safety data sheet sciencelab com. These are the ions that appear on both sides of the ionic equation.If you are unsure if a compound is soluble when writing net ionic equations you should consult a solubility table for the compound._________________Important SkillsFinding Ionic Charge for Elements: https://youtu.be/M22YQ1hHhEYMemorizing Polyatomic Ions: https://youtu.be/vepxhM_bZqkDetermining Solubility: https://www.youtube.com/watch?v=5vZE9K9VaJIMore PracticeIntroduction to Net Ionic Equations: https://youtu.be/PXRH_IrN11YNet Ionic Equations Practice: https://youtu.be/hDsaJ2xI59w_________________General Steps:1. Examples: Fe, Au, Co, Br, C, O, N, F. BBC Bitesize Science revision checklists in DMA Revision area W/B 23/9 half equation, ionic equation, acid, salt. ions) and so they may be left out of the
Preparing salts by neutralisation of oxides and carbonates. In the case of an ionic compound, the strong forces of attraction between the oppositely-charged ions get broken down by water molecules and each ion becomes surrounded by water molecules: Above GCSE level, youll learn that the ions have become solvated, meaning water has formed coordinate bonds to the ions: Substances that readily ionise in water, and therefore easily dissolve in it, include: These groups represent an enormous number of compounds, many of which would be unfamiliar to students. For example, an equation showing hydrochloric acid being neutralised by sodium hydroxide: \ [HCl + NaOH \to NaCl + H_2^ {}O\] The ionic equation. Example: Write a balanced ionic equation for the reaction in which sulfuric acid is neutralised by potassium hydroxide. The interesting thing (and useful fact for revision purposes) is that all neutralisation reactions have this same ionic equation. Neutralisation and Salts: 38: Give two types of Substance which will Neutralise an Acid. Example: Wtite a balanced net ionic equation for the reaction in which sulfuric acid is neutralised by potassium hydroxide. The result which is often called the net ionic equation shows that in this neutralisation reaction, all that really happens is a H+ ion reacts with a OH ion to form water. hydrogen
H + (aq) + OH -(aq) H 2 O(l) For example, hydrochloric acid and sodium hydroxide solution react together to form water and sodium chloride solution. This page titled 21.16: Neutralization Reaction and Net Ionic Equations for Neutralization Reactions is shared under a CK-12 license and was authored, remixed, and/or curated by CK-12 Foundation via source content that was edited to the style and standards of the LibreTexts platform; a detailed edit history is available upon request. 3. page), HCl(aq)
This page will be removed in future. Florida Blazers Roster, A neutralization reaction is a reaction in which an acid and a base react in an aqueous solution to produce a salt and water. reactions of acids with bases bbc. A pH of 7 is neutral. Solid acids, solid bases, solid salts, and water can provide net ionic equations for neutralisation reactions. the pH will continue to go down and the solution becomes acidic. This worksheet will help you practise writing ionic equations for neutralisation and precipitation reactions Where state symbols are not given, youll need to use the solubility rules to determine whether a substance will ionise Write ionic equations for the following: 1. Chloride ions lose electrons ( oxidation) to form chlorine atoms. What does this tell you?, Which of these might have a pH of 9? (see spectator
; Conditions of the Haber Process. There are three steps in writing net ionic equation in the .
2018 - this page has a quick look at enthalpy changes of neutralisation the full equation for the reaction between hydrochloric acid and sodium hydroxide solution is''The "reaction of sodium hydroxide with . A neutralization reaction is a reaction in which an acid and a base react in an aqueous solution to produce a salt and water. If a substance has the state symbol aqueous in a chemical equation, it means that the substance is soluble and will usually be ionised. Reactions can also involve a weak base and strong acid, resulting in a solution that is slightly acidic.
What is neutralisation? Quick Tips. hydroxide ion
First, we balance the molecular equation. Some content on this page could not be displayed. This is an AWESOME document and each and every part was clear. Unreacted H 2 and N 2 and product NH 3 pass into a cooling tank where NH 3 is liquified. This is called an ionic equation. Pioneer Quest Where Are They Now 2019, Our whole-room designs and space planning make the best of your homes potential. 1 -H Spec point Concepts CGP revision guide pages Bitesize YouTube 4.2.2 How bonding and structure are related to the properties of a substance -interpreting melting and boiling point data The pH of the alkaline solution will decrease. and Alkalis
We can write it in terms of ions,
Common properties Acids . In an ionic equation, species that exist as ions in solution are shown as ions, and species that exist as molecules in the solution are shown as molecules. When an acid is added to an alkali, the pH of the mixture falls as the acid reacts with it forming a neutral solution. What are acids and bases?
Neutralization Reactions - Introductory Chemistry- 1st Canadian Edition (see the previous
When the pH goes down to 7 the solution is neutral. To make the cakes grow, baking powder is typically used. both sides of the
Oops, looks like cookies are disabled on your browser. H2O(l). In an ionic equation, species that exist as ions in solution are shown as ions, and species that exist as molecules in the solution are shown as molecules. + H2O(l).
What are ionic equations and ionic half-equations? GCSE Chemistry
HNO 3 + NaOH = NaNO 3 + H 2 O is a neutralization reaction . If the metal oxide dissolves in water it forms hydroxide ions and is called an alkali.. Any chloride or sulfate can be safely made by reacting the correct metal oxide with hydrochloric acid to make the chloride or sulfuric acid to make the sulfate.. why is a neutralisation reaction exothermic example. Lead changes oxidation state from +2 to 0, so it is the element getting reduced. The reactions are just the same as with acids like hydrochloric acid, except they tend to be rather slower. This is the balanced chemical . ion of
The balanced molecular equation is: \[\ce{HCl} \left( aq \right) + \ce{NaOH} \left( aq \right) \rightarrow \ce{NaCl} \left( aq \right) + \ce{H_2O} \left( l \right)\nonumber \]. In examinations, answers frequently require more than 1 key word for the mark, so Examples of exothermic reactions include: combustion reactions. when
The maximum temperature is. HEAT OF NEUTRALISATION Scienceache.
Acid Base Neutralization Reactions & Net Ionic Equations - YouTube Write the balanced molecular equation.2. uses for neutralisation, carbon dioxide formation and salt production . Professional Home Measurement Nashville, 1. acid and sodium
You are here: interview questions aurora; . The aqueous sodium chloride that is produced in the reaction is called a salt. Home Blog net ionic equation neutralization . H+(aq)
Put your understanding of this concept to test by answering a few MCQs. The hydrogen
What is the . What Happens When You Mix Calcium Hydroxide And. (1) 2. GCSE Physics. HCl (aq) Acid-base titrations. When students first learn how to write ionic equations, the part they find challenging is identifying which substances in the equation will ionise, or form ions. (see the next page). gcsescience.com
For reactions occurring in water, ionisation (also known as dissociation) means a substance has been split up into ions by the action of water. Enthalpy changes of neutralisation are always negative - heat is given out when an acid and and alkali react. For example, the chemical reaction between HCl(aq) and Fe(OH) 3 (s) still proceeds according to the equation 3 HCl(aq) + Fe(OH) 3 (s) 3 H 2 O() + FeCl 3 (aq) even though Fe(OH) 3 is not soluble. for Neutralisation? NH 4 OH (aq) + HCl Methods of making salts and chemical tests for salts. The hydrogen ion from the acid combines with the hydroxide ion to form water, leaving the nitrite ion as the other product. These equations can be used to model what happens in precipitation reactions .
How to Write the Net Ionic Equation for H2SO4 - YouTube They have high melting and boiling points, and conduct electricity when melted or dissolved in water. Discusses chemical reactions that occur when acids and bases interact. The base and the salt are fully dissociated. The unreacted H 2 and N 2 gases are recycled back into the system to start again. Pouring concrete and working it are messy jobs. In other words, the net ionic equation applies to reactions that are strong electrolytes in . Chloride
Magnesium is a more reactive metal than lead, so will displace lead from its compounds. ionic equation for neutralisation bbc bitesize. How to Write the Net Ionic Equation for H2SO4 + NaOH = Na2SO4 + H2O Wayne Breslyn 625K subscribers 76K views 3 years ago There are three main steps for writing the net ionic equation for. Sodium hydroxide, potassium hydroxide and ammonium hydroxide are widely used. Legal. Your Mobile number and Email id will not be published. If the chemical equation doesnt include state symbols,or if its an aqueous substance but youre not 100% certain that its soluble, you can use the solubility rules: Anything that this table indicates is soluble can be ionised in a chemical reaction.
. This is the balanced chemical . The reaction between an acid and a base that forms water and salt is neutralisation. When energy is transferred to the surroundings, this is called an exothermic reaction, and the temperature of the surroundings increases. The sodium sulfate salt is soluble, and so the net ionic reaction is again the same. No ads = no money for us = no free stuff for you! Lead changes oxidation state from +2 to 0, so it is the element getting reduced. The method of chemical titration is employed to find unknown concentrations of acids or bases by finding their neutralization point. Antacid bicarbonate is produced to create this favourable condition. Chemical reactions occurring in aqueous solution are more accurately represented with a net ionic equation. What is neutralisation? as more acid is added. In the process, a lot of wastewater with an alkaline pH is generated. This is especially important for precipitation reactions, where solutions are mixed and an insoluble solid forms. To neutralise the excess acid, antacid tablets contain bases such as magnesium hydroxide and magnesium carbonate. for neutralisation. Depending upon the strength of the constituent acids and bases the pH of the products varies. H+(aq) + Cl-(aq) + Na+(aq) + OH-(aq) Na+(aq) + Cl-(aq) + H2O(l). To treat wasp stings that are alkaline in nature, vinegar is used. to an alkaline solution. Neutralisation Quiz
A Brnsted-Lowry acid is a proton donor. Write out the resulting ionic equation: Mg (s) + Pb 2+(aq) Mg 2+(aq) + Pb (s) Now, write the half-equation for the reduction reaction. BBC KS3 Bitesize Science Acids bases and metals.
most neutralisation reactions. (adsbygoogle = window.adsbygoogle || []).push({}); If a reaction
-Separate strong electrolytes into ions. 1:59 (Triple only) write ionic half-equations representing the reactions at the electrodes during electrolysis and understand why these reactions are classified as oxidation or reduction; . You can swap Na+ for any cation and Cl for any anion and the ionic equation for neutralisation will still be H+ + OH> H2O. Eliminate the spectator ions (two hydrogen ions and two chloride ions) from the ionic equation gives the net ionic equation; Ba 2+ (aq) + SO 4 2-(aq) BaSO 4 (s) The net ionic equation isolates the two reactants that actually change chemical and the single new substance produced. Which substances ionise in ionic equations? Net neutralization reactions of ionic equations include solid bases, solid salts, water, and solid acids. Reactions where at least one of the components is weak do not generally result in a neutral solution. In this example, magnesium is added to a solution of lead(II) nitrate: Mg(s) + Pb(NO3)2(aq) Mg(NO3)2(aq) + Pb(s). Custom solutions that exceed your expectations for functionality and beauty. Step 3: That's it Now your window will display the Final Output of your Input. hydrochloric
\[\ce{HNO_2} \left( aq \right) + \ce{KOH} \left( aq \right) \rightarrow \ce{KNO_2} \left( aq \right) + \ce{H_2O} \left( l \right)\nonumber \]. Bases have a flavour that is bitter or astringent and have a pH greater than 7. base on the left-hand side of the equation? When one realizes that Fe(OH) 3 (s) is a component of rust, this . Salts made from an Acid and a Base.. Metal oxides are bases.A base will neutralise an acid. For example, dilute ethanoic acid reacts with magnesium. (Opens a modal) Titration of a strong acid with a strong base (continued) (Opens a modal) Titration of a weak acid with a strong base. 28
Neutralization leaves no hydrogen ions in the solution, and the pH of the solution depends on the strength of the acid. bbc gcse bitesize neutralisation. (a) Put a cross in the box to indicate your answer. This is the reaction that always occurs when an acid + alkali salt + water. Exothermic And Endothermic --> Neutralization Reactions and Net Ionic Equations for Neutralization Reactions. To write the ionic equation we must separate all aqueous species into their ions and leave any solid, liquid or gaseous substance in its molecular form. Neutralization reactions are one type of chemical reaction that proceeds even if one reactant is not in the aqueous phase. A salt is essentially any ionic compound that is neither an acid nor a base. Some examples of materials mixed in the soil to neutralize it from acidity are: A neutral ionic compound is a salt. This is the reaction that always
This leaves the ionic equation. Different mole ratios occur for other polyprotic acids or bases with multiple hydroxides such as \(\ce{Ca(OH)_2}\). %. Temperature: 450C. These polyatomic ions are stable in solution compared to the ions youd form if they broke up further. This video contains plenty of examples and practice problems.Chemistry Textbook:https://amzn.to/30wWZOHMy Website: https://www.video-tutor.netPatreon Donations: https://www.patreon.com/MathScienceTutorAmazon Store: https://www.amazon.com/shop/theorganicchemistrytutorSubscribe:https://www.youtube.com/channel/UCEWpbFLzoYGPfuWUMFPSaoA?sub_confirmation=1New Chemistry Video Playlist:https://www.youtube.com/watch?v=bka20Q9TN6M\u0026t=25s\u0026list=PL0o_zxa4K1BWziAvOKdqsMFSB_MyyLAqS\u0026index=1Disclaimer: Some of the links associated with this video may generate affiliate commissions on my behalf. What is the method for titration?Watch to find out more!Catering for IGCSE and SPM students. You should also not ionise water in ionic equations. Finally, we cross out any spectator ions. Term. . Spectator ions are not shown in an ionic equation. Lead changes oxidation state from +2 to 0, so it is the element getting reduced. ion + hydroxide ion
Ionic equation for neutralisation? - Answers This is very useful, particularly when dealing with redox reactions which are complicated enough without spectator ions getting in the way. Since reduction is gain, the electrons go on the LHS: 2e - + Pb 2+(aq) Pb (s) The maximum temperature is reached when. use a pipette and pipette filler to add 25 ml of sodium hydroxide to a clean conical flask. By the end of this resource, students should be able to: Know how an acid reacts with metals, metal oxides (bases), metal hydroxides (alkalis), and metal carbonates. ionic equation for neutralisation bbc bitesize . Notify me of follow-up comments by email. We have a new and improved read on this topic. what is the enthalpy of neutralization a plus topper. An alkali has a pH of more than 7.. An acid is neutralised when it reacts with an alkali, a base a carbonate or a metal. All Rights Reserved. Molecular equation: H 2 SO 4 (aq) + Ba (OH) 2 (aq) ---> BaSO 4 (s) + 2H 2 O (l) So the molecular form of the equation is shown above. It is possible that the salt formed is not soluble in water, in which case the equation would be written as for a precipitation reaction. What if the acid is a diprotic acid such as sulfuric acid? It is called the ionic equation
The molecular and net ionic equations for the reaction of hydrochloric acid and ammonia are shown below. To facilitate the chemical reduction of metal precursors, the heat of a neutralization reaction is used. NCERT Solutions Class 12 Business Studies, NCERT Solutions Class 12 Accountancy Part 1, NCERT Solutions Class 12 Accountancy Part 2, NCERT Solutions Class 11 Business Studies, NCERT Solutions for Class 10 Social Science, NCERT Solutions for Class 10 Maths Chapter 1, NCERT Solutions for Class 10 Maths Chapter 2, NCERT Solutions for Class 10 Maths Chapter 3, NCERT Solutions for Class 10 Maths Chapter 4, NCERT Solutions for Class 10 Maths Chapter 5, NCERT Solutions for Class 10 Maths Chapter 6, NCERT Solutions for Class 10 Maths Chapter 7, NCERT Solutions for Class 10 Maths Chapter 8, NCERT Solutions for Class 10 Maths Chapter 9, NCERT Solutions for Class 10 Maths Chapter 10, NCERT Solutions for Class 10 Maths Chapter 11, NCERT Solutions for Class 10 Maths Chapter 12, NCERT Solutions for Class 10 Maths Chapter 13, NCERT Solutions for Class 10 Maths Chapter 14, NCERT Solutions for Class 10 Maths Chapter 15, NCERT Solutions for Class 10 Science Chapter 1, NCERT Solutions for Class 10 Science Chapter 2, NCERT Solutions for Class 10 Science Chapter 3, NCERT Solutions for Class 10 Science Chapter 4, NCERT Solutions for Class 10 Science Chapter 5, NCERT Solutions for Class 10 Science Chapter 6, NCERT Solutions for Class 10 Science Chapter 7, NCERT Solutions for Class 10 Science Chapter 8, NCERT Solutions for Class 10 Science Chapter 9, NCERT Solutions for Class 10 Science Chapter 10, NCERT Solutions for Class 10 Science Chapter 11, NCERT Solutions for Class 10 Science Chapter 12, NCERT Solutions for Class 10 Science Chapter 13, NCERT Solutions for Class 10 Science Chapter 14, NCERT Solutions for Class 10 Science Chapter 15, NCERT Solutions for Class 10 Science Chapter 16, NCERT Solutions For Class 9 Social Science, NCERT Solutions For Class 9 Maths Chapter 1, NCERT Solutions For Class 9 Maths Chapter 2, NCERT Solutions For Class 9 Maths Chapter 3, NCERT Solutions For Class 9 Maths Chapter 4, NCERT Solutions For Class 9 Maths Chapter 5, NCERT Solutions For Class 9 Maths Chapter 6, NCERT Solutions For Class 9 Maths Chapter 7, NCERT Solutions For Class 9 Maths Chapter 8, NCERT Solutions For Class 9 Maths Chapter 9, NCERT Solutions For Class 9 Maths Chapter 10, NCERT Solutions For Class 9 Maths Chapter 11, NCERT Solutions For Class 9 Maths Chapter 12, NCERT Solutions For Class 9 Maths Chapter 13, NCERT Solutions For Class 9 Maths Chapter 14, NCERT Solutions For Class 9 Maths Chapter 15, NCERT Solutions for Class 9 Science Chapter 1, NCERT Solutions for Class 9 Science Chapter 2, NCERT Solutions for Class 9 Science Chapter 3, NCERT Solutions for Class 9 Science Chapter 4, NCERT Solutions for Class 9 Science Chapter 5, NCERT Solutions for Class 9 Science Chapter 6, NCERT Solutions for Class 9 Science Chapter 7, NCERT Solutions for Class 9 Science Chapter 8, NCERT Solutions for Class 9 Science Chapter 9, NCERT Solutions for Class 9 Science Chapter 10, NCERT Solutions for Class 9 Science Chapter 11, NCERT Solutions for Class 9 Science Chapter 12, NCERT Solutions for Class 9 Science Chapter 13, NCERT Solutions for Class 9 Science Chapter 14, NCERT Solutions for Class 9 Science Chapter 15, NCERT Solutions for Class 8 Social Science, NCERT Solutions for Class 7 Social Science, NCERT Solutions For Class 6 Social Science, CBSE Previous Year Question Papers Class 10, CBSE Previous Year Question Papers Class 12, Important Questions For Class 12 Chemistry, Important Questions For Class 11 Chemistry, Important Questions For Class 10 Chemistry, Important Questions For Class 9 Chemistry, Important Questions For Class 8 Chemistry, Important Questions For Class 7 Chemistry, Important Questions For Class 6 Chemistry, Class 12 Chemistry Viva Questions With Answers, Class 11 Chemistry Viva Questions With Answers, Class 10 Chemistry Viva Questions With Answers, Class 9 Chemistry Viva Questions With Answers, Electronic Configuration Of Group 15 Elements, CBSE Previous Year Question Papers Class 10 Science, CBSE Previous Year Question Papers Class 12 Physics, CBSE Previous Year Question Papers Class 12 Chemistry, CBSE Previous Year Question Papers Class 12 Biology, ICSE Previous Year Question Papers Class 10 Physics, ICSE Previous Year Question Papers Class 10 Chemistry, ICSE Previous Year Question Papers Class 10 Maths, ISC Previous Year Question Papers Class 12 Physics, ISC Previous Year Question Papers Class 12 Chemistry, ISC Previous Year Question Papers Class 12 Biology, JEE Main 2023 Question Papers with Answers, JEE Main 2022 Question Papers with Answers, JEE Advanced 2022 Question Paper with Answers.