MEDIUM
8th CBSE
IMPORTANT
Earn 100

Pencil lead is made up of which material?

Important Questions on Materials: Metals and Non-metals

MEDIUM
8th CBSE
IMPORTANT
All in One - SCIENCE CBSE Class 8>Chapter 4 - Materials: Metals and Non-metals>Chapter Test>Q 8

Write the name of a liquid non-metal.

MEDIUM
8th CBSE
IMPORTANT
All in One - SCIENCE CBSE Class 8>Chapter 4 - Materials: Metals and Non-metals>Chapter Test>Q 9

Bells used in temples are not made up of wood. Why?

MEDIUM
8th CBSE
IMPORTANT
All in One - SCIENCE CBSE Class 8>Chapter 4 - Materials: Metals and Non-metals>Chapter Test>Q 10

Write word equation for heated iron and steam.

MEDIUM
8th CBSE
IMPORTANT
All in One - SCIENCE CBSE Class 8>Chapter 4 - Materials: Metals and Non-metals>Chapter Test>Q 11

Phosphorus is kept in water. Why?

MEDIUM
8th CBSE
IMPORTANT
All in One - SCIENCE CBSE Class 8>Chapter 4 - Materials: Metals and Non-metals>Chapter Test>Q 12

What is the nature of oxides formed,

(a) when metals combine with oxygen?

(b) when non-metals combine with oxygen?

MEDIUM
8th CBSE
IMPORTANT
All in One - SCIENCE CBSE Class 8>Chapter 4 - Materials: Metals and Non-metals>Chapter Test>Q 13
Give reason why copper cannot displace zinc from its salt solution.
EASY
8th CBSE
IMPORTANT
All in One - SCIENCE CBSE Class 8>Chapter 4 - Materials: Metals and Non-metals>Chapter Test>Q 14
Define

(i) Malleability    (ii) Ductility

EASY
8th CBSE
IMPORTANT
All in One - SCIENCE CBSE Class 8>Chapter 4 - Materials: Metals and Non-metals>Chapter Test>Q 14
Name a non-metal which is very hard.