HARD
8th CBSE
IMPORTANT
Earn 100

Name the variety of coal which has the lowest carbon content.

Important Questions on Model Test Paper-1
MEDIUM
8th CBSE
IMPORTANT
State one use of asphalt.

MEDIUM
8th CBSE
IMPORTANT
What is petroleum gas? State two uses of this gas.

MEDIUM
8th CBSE
IMPORTANT
Which zone of a flame is used by goldsmiths to make gold ornaments and why?

MEDIUM
8th CBSE
IMPORTANT
Is rusting of iron a process of combustion? Give reasons for your answer.

MEDIUM
8th CBSE
IMPORTANT
State two conditions necessary for combustion.

MEDIUM
8th CBSE
IMPORTANT
What do you understand by the terms: endangered species?

MEDIUM
8th CBSE
IMPORTANT
What do you understand by the terms: endemic species?

MEDIUM
8th CBSE
IMPORTANT
Why are the given structures important to a plant cell: cell wall?
