In an endothermic reaction

Important Questions on Chemical Reactions And Equations

EASY

10th CBSE

IMPORTANT

Foundation Course Chemistry>Chapter 1 - Chemical Reactions And Equations>EXERCISE>Q 17

Heating limestone produce

EASY

10th CBSE

IMPORTANT

Foundation Course Chemistry>Chapter 1 - Chemical Reactions And Equations>EXERCISE>Q 18

Ferrous sulphate on heating produces

EASY

10th CBSE

IMPORTANT

Foundation Course Chemistry>Chapter 1 - Chemical Reactions And Equations>EXERCISE>Q 19

White silver chloride in sunlight turns to 

EASY

10th CBSE

IMPORTANT

Foundation Course Chemistry>Chapter 1 - Chemical Reactions And Equations>EXERCISE>Q 20

Which of the following chemical equations is an unbalanced one?

EASY

10th CBSE

IMPORTANT

Foundation Course Chemistry>Chapter 1 - Chemical Reactions And Equations>EXERCISE>Q 21

Which of the following is not a chemical reaction?

EASY

10th CBSE

IMPORTANT

Foundation Course Chemistry>Chapter 1 - Chemical Reactions And Equations>EXERCISE>Q 22

The electrolytic decomposition of water gives ${\mathrm{H}}_2$ and ${\mathrm{O}}_2$ in the ratio of 

MEDIUM

10th CBSE

IMPORTANT

Foundation Course Chemistry>Chapter 1 - Chemical Reactions And Equations>EXERCISE>Q 23

Copper on exposure to air reacts with moisture and ${\mathrm{CO}}_2$ to develop a green layer which is 

EASY

10th CBSE

IMPORTANT

Foundation Course Chemistry>Chapter 1 - Chemical Reactions And Equations>EXERCISE>Q 24

In exothermic reactions, the reactants