Page 1 - HA2

SAI International School

Classes-VII
Subject-Chemistry
Topic-Acids, Bases and Salts
Sub-topic-Neutralisation Reaction
Worksheet

Q. No. Questions
1. Choose the correct option from the following:
a) If both Assertion and Reason are correct and Reason is the correct
explanation of Assertion.
b) If both Assertion and Reason are correct, but Reason is not the correct
explanation of Assertion.
c) If Assertion is correct but Reason is incorrect.
d) If Assertion is incorrect but Reason is correct.
e) If Assertion & Reason both are incorrect.

Assertion (A): Some farmers add quicklime to the soil.
Reason (R): Quicklime neutralises the alkaline soil .
2. Choose the correct option from the following:
a) If both Assertion and Reason are correct and Reason is the correct
explanation of Assertion.
b) If both Assertion and Reason are correct, but Reason is not the correct
explanation of Assertion.
c) If Assertion is correct but Reason is incorrect.
d) If Assertion is incorrect but Reason is correct.
e) If Assertion & Reason both are incorrect.

Assertion (A): Water is considered to be a compound.
Reason (R): The properties of water are different from those of its
constituents, that is, hydrogen and oxygen.
3. Which of the following will turn red litmus blue?
a) Aqueous solution of sodium chloride.
b) Aqueous solution of potassium chloride
c) Aqueous solution of sodium carbonate
d) Aqueous solution of ammonium acetate.
4. Ammonium hydroxide is a base and nitric acid is an acid. Write a word
equation to show the neutralisation reaction between the acid and the base.

5. A chemical equation is balanced if the number of _________ of each
________ is equal on both sides of the equation.
a) Element, compound
b) Compound, atoms
c) Element, atoms
d) Atoms, element
6. What will you see if a small piece of zinc metal is dropped into a beaker

1