On what basis is a chemical equation balanced?

Important Questions on Chemical Reactions and Equations

EASY

10th CBSE

IMPORTANT

Concise Chemistry Part 2>Chapter 1 - Chemical Reactions and Equations>EXERCISES (UNSOLVED)>Q 2

Name two metals react with dilute sulphuric acid to give hydrogen gas.

EASY

10th CBSE

IMPORTANT

Concise Chemistry Part 2>Chapter 1 - Chemical Reactions and Equations>EXERCISES (UNSOLVED)>Q 3

What type of reaction takes place by the digestion of food in our body? (Displacement/ Decomposition)

EASY

10th CBSE

IMPORTANT

Concise Chemistry Part 2>Chapter 1 - Chemical Reactions and Equations>EXERCISES (UNSOLVED)>Q 4

Name three metals below copper in reactivity series.

EASY

10th CBSE

IMPORTANT

Concise Chemistry Part 2>Chapter 1 - Chemical Reactions and Equations>EXERCISES (UNSOLVED)>Q 5

What is the general name of the chemicals which are added to fat and oil containing foods? (Oxidants / Antioxidants)

EASY

10th CBSE

IMPORTANT

Concise Chemistry Part 2>Chapter 1 - Chemical Reactions and Equations>EXERCISES (UNSOLVED)>Q 6

Name the metal used for galvanizing iron. (Zinc/ Aluminium)

EASY

10th CBSE

IMPORTANT

Concise Chemistry Part 2>Chapter 1 - Chemical Reactions and Equations>EXERCISES (UNSOLVED)>Q 7

Name a common metal which is highly resistant to corrosion.

EASY

10th CBSE

IMPORTANT

Concise Chemistry Part 2>Chapter 1 - Chemical Reactions and Equations>EXERCISES (UNSOLVED)>Q 8

Name the most reactive metal. (Zinc/ Potassium)

EASY

10th CBSE

IMPORTANT

Concise Chemistry Part 2>Chapter 1 - Chemical Reactions and Equations>EXERCISES (UNSOLVED)>Q 9

Name the least reactive metal.