Give one example of evolution of a gas.

Important Questions on Chemical Reactions and Equations

MEDIUM

10th CBSE

IMPORTANT

SUPER SIMPLIFIED SCIENCE CHEMISTRY CLASS X>Chapter 1 - Chemical Reactions and Equations>Test Your Knowledge>Q 8

Why does silver chloride turn grey in sunlight?

MEDIUM

10th CBSE

IMPORTANT

SUPER SIMPLIFIED SCIENCE CHEMISTRY CLASS X>Chapter 1 - Chemical Reactions and Equations>Test Your Knowledge>Q 9

Name two metals which do not get corroded.

MEDIUM

10th CBSE

IMPORTANT

SUPER SIMPLIFIED SCIENCE CHEMISTRY CLASS X>Chapter 1 - Chemical Reactions and Equations>Test Your Knowledge>Q 10

What is double displacement reaction? Give one example.

MEDIUM

10th CBSE

IMPORTANT

SUPER SIMPLIFIED SCIENCE CHEMISTRY CLASS X>Chapter 1 - Chemical Reactions and Equations>Test Your Knowledge>Q 11

Can combination reaction be an oxidation reaction? If yes, give an example.

EASY

10th CBSE

IMPORTANT

SUPER SIMPLIFIED SCIENCE CHEMISTRY CLASS X>Chapter 1 - Chemical Reactions and Equations>Test Your Knowledge>Q 12

What is the nature of reaction when sulphuric acid is diluted with water?

MEDIUM

10th CBSE

IMPORTANT

SUPER SIMPLIFIED SCIENCE CHEMISTRY CLASS X>Chapter 1 - Chemical Reactions and Equations>Test Your Knowledge>Q 13

A small amount of ferrous sulphate was heated in a hard glass tube. Write the equation involved in the reaction and identify the reaction.

MEDIUM

10th CBSE

IMPORTANT

SUPER SIMPLIFIED SCIENCE CHEMISTRY CLASS X>Chapter 1 - Chemical Reactions and Equations>Test Your Knowledge>Q 14

Write a balanced equation for the reaction which may be characterised as precipitation reaction.

MEDIUM

10th CBSE

IMPORTANT

SUPER SIMPLIFIED SCIENCE CHEMISTRY CLASS X>Chapter 1 - Chemical Reactions and Equations>Test Your Knowledge>Q 15

What is the nature of the chemical reaction when water is added to quick lime?