PRACHI SCIENCE CHEMISTRY CLASS-X>Chapter 1 - Chemical Reactions and Equations>Check Your Progress>Q 1

MEDIUM

10th CBSE

IMPORTANT

Earn 100

What do you understand by a combination reaction? Give two examples of combination reaction.

Important Questions on Chemical Reactions and Equations

HARD

10th CBSE

IMPORTANT

PRACHI SCIENCE CHEMISTRY CLASS-X>Chapter 1 - Chemical Reactions and Equations>Check Your Progress>Q 2

Write an activity to show the electrolysis of water, as an example of decomposition reaction.

HARD

10th CBSE

IMPORTANT

PRACHI SCIENCE CHEMISTRY CLASS-X>Chapter 1 - Chemical Reactions and Equations>Check Your Progress>Q 1

What kind of reaction takes place when aluminium metal is placed in

{ZnSO}_{4}

solution?

HARD

10th CBSE

IMPORTANT

PRACHI SCIENCE CHEMISTRY CLASS-X>Chapter 1 - Chemical Reactions and Equations>Check Your Progress>Q 2

What are the differences between displacement and double displacement reactions? Write examples.

EASY

10th CBSE

IMPORTANT

PRACHI SCIENCE CHEMISTRY CLASS-X>Chapter 1 - Chemical Reactions and Equations>Check Your Progress>Q 3

Classify the following reaction:

$CaO (s) + H_{2} O (l) \to Ca (OH)_{2} (aq)$

HARD

10th CBSE

IMPORTANT

PRACHI SCIENCE CHEMISTRY CLASS-X>Chapter 1 - Chemical Reactions and Equations>Check Your Progress>Q 3

Classify the following reaction :

$Fe (s) + {CuSO}_{4} (aq) \to {FeSO}_{4} (aq) + Cu (s)$

MEDIUM

10th CBSE

IMPORTANT

PRACHI SCIENCE CHEMISTRY CLASS-X>Chapter 1 - Chemical Reactions and Equations>Check Your Progress>Q 4

Describe what happens in a combustion reaction.

MEDIUM

10th CBSE

IMPORTANT

PRACHI SCIENCE CHEMISTRY CLASS-X>Chapter 1 - Chemical Reactions and Equations>Check Your Progress>Q 5

Explain the differences between combination and decomposition reactions.

EASY

10th CBSE

IMPORTANT

PRACHI SCIENCE CHEMISTRY CLASS-X>Chapter 1 - Chemical Reactions and Equations>Check Your Progress>Q 6

What will happen, if zinc displaces gold in a chemical reaction?