Give any three examples of chemical reactions taking place in your everyday life.

Important Questions on Chemical Reactions and Equations

EASY

10th CBSE

IMPORTANT

Concise Chemistry Part 2>Chapter 1 - Chemical Reactions and Equations>MOCK TEST - 2>Q 11

What happens when magnesium reacts with oxygen in air? Give a balanced equation.

MEDIUM

10th CBSE

IMPORTANT

Concise Chemistry Part 2>Chapter 1 - Chemical Reactions and Equations>MOCK TEST - 2>Q 12

What happens when silver nitrate solution is added to sodium chloride solution? Give a balanced equation.

MEDIUM

10th CBSE

IMPORTANT

Concise Chemistry Part 2>Chapter 1 - Chemical Reactions and Equations>MOCK TEST - 2>Q 13

A student takes

2 g

of ferrous sulphate crystal in a dry test tube and heats it. Answer the following questions based on the observation made by the student:
(a) Write an observation about the colour of the residue or smell of gas involved.
(b) Name the type of chemical reaction.

EASY

10th CBSE

IMPORTANT

Concise Chemistry Part 2>Chapter 1 - Chemical Reactions and Equations>MOCK TEST - 2>Q 14

A student takes $2 g$ of ferrous sulphate crystal in a dry test tube and heats it.

Write a balanced chemical equation for the reaction involved in the above question.

EASY

10th CBSE

IMPORTANT

Concise Chemistry Part 2>Chapter 1 - Chemical Reactions and Equations>MOCK TEST - 2>Q 15

Differentiate exothermic and endothermic reactions with an example for each.

EASY