Mention three uses of nitrogen.

Important Questions on Metals and Non-metals

EASY

8th CBSE

IMPORTANT

Basic Science for Class 8>Chapter 6 - Metals and Non-metals>Exercises>Q A

Define an alloy.

MEDIUM

8th CBSE

IMPORTANT

Basic Science for Class 8>Chapter 6 - Metals and Non-metals>Exercises>Q B

Mention five physical characteristics of metals.

MEDIUM

8th CBSE

IMPORTANT

Basic Science for Class 8>Chapter 6 - Metals and Non-metals>Exercises>Q B

What are the physical properties of non-metals?

MEDIUM

8th CBSE

IMPORTANT

Basic Science for Class 8>Chapter 6 - Metals and Non-metals>Exercises>Q B

Name a non metal which when red hot reacts with steam. What happens as a result of the reaction?

MEDIUM

8th CBSE

IMPORTANT

Basic Science for Class 8>Chapter 6 - Metals and Non-metals>Exercises>Q B

Mention three uses of metals, giving reasons.

MEDIUM

8th CBSE

IMPORTANT

Basic Science for Class 8>Chapter 6 - Metals and Non-metals>Exercises>Q B

Describe the uses of carbon.

HARD

8th CBSE

IMPORTANT

Basic Science for Class 8>Chapter 6 - Metals and Non-metals>Exercises>Q C

How would you use the activity series while studying the displacement of hydrogen from acids by metals?

MEDIUM

8th CBSE

IMPORTANT

Basic Science for Class 8>Chapter 6 - Metals and Non-metals>Exercises>Q C

Describe an activity to show that the ‘lead’ of a pencil conducts electricity but a piece of sulphur does not.