HARD
10th CBSE
IMPORTANT
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What are exothermic and endothermic reactions? Give examples.

Important Questions on Chemical Reactions and Equations

HARD
10th CBSE
IMPORTANT
MODERN'S ABC+ OF SCIENCE CHEMISTRY>Chapter 1 - Chemical Reactions and Equations>Revision Exercise>Q 18

Write the balanced equation for the following chemical reaction:

Aqueous solutions of sulphuric acid and sodium hydroxide react to form aqueous sodium sulphate and water.

HARD
10th CBSE
IMPORTANT
MODERN'S ABC+ OF SCIENCE CHEMISTRY>Chapter 1 - Chemical Reactions and Equations>Revision Exercise>Q 18

Write the balanced equation for the following chemical reaction:

Phosphorus burns in chlorine gas to form phosphorus pentachloride.

HARD
10th CBSE
IMPORTANT
MODERN'S ABC+ OF SCIENCE CHEMISTRY>Chapter 1 - Chemical Reactions and Equations>Revision Exercise>Q 19
Explain the difference between displacement and double displacement reactions. 
HARD
10th CBSE
IMPORTANT
MODERN'S ABC+ OF SCIENCE CHEMISTRY>Chapter 1 - Chemical Reactions and Equations>Revision Exercise>Q 19
Explain can a displacement reaction be a redox reaction?
EASY
10th CBSE
IMPORTANT
MODERN'S ABC+ OF SCIENCE CHEMISTRY>Chapter 1 - Chemical Reactions and Equations>Revision Exercise>Q 20

Write a brief note on corrosion.

MEDIUM
10th CBSE
IMPORTANT
MODERN'S ABC+ OF SCIENCE CHEMISTRY>Chapter 1 - Chemical Reactions and Equations>Revision Exercise>Q 20
Write a brief note on rancidity. 
EASY
10th CBSE
IMPORTANT
MODERN'S ABC+ OF SCIENCE CHEMISTRY>Chapter 1 - Chemical Reactions and Equations>Revision Exercise>Q 21

What is an oxidation reaction? Give an example of an oxidation reaction. Is oxidation an exothermic or an endothermic reaction?

MEDIUM
10th CBSE
IMPORTANT
MODERN'S ABC+ OF SCIENCE CHEMISTRY>Chapter 1 - Chemical Reactions and Equations>Revision Exercise>Q 22

Define a combination reaction. Give one example of a combination reaction which is also exothermic.