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
Learning Elementary Science with Online Support>Chapter 21 - Model Test Paper-1>MODEL TEST PAPER-1>Q 10
State one use of asphalt. 
MEDIUM
8th CBSE
IMPORTANT
Learning Elementary Science with Online Support>Chapter 21 - Model Test Paper-1>MODEL TEST PAPER-1>Q 10
What is petroleum gas? State two uses of this gas. 
MEDIUM
8th CBSE
IMPORTANT
Learning Elementary Science with Online Support>Chapter 21 - Model Test Paper-1>MODEL TEST PAPER-1>Q 11
Which zone of a flame is used by goldsmiths to make gold ornaments and why? 
MEDIUM
8th CBSE
IMPORTANT
Learning Elementary Science with Online Support>Chapter 21 - Model Test Paper-1>MODEL TEST PAPER-1>Q 11
Is rusting of iron a process of combustion? Give reasons for your answer.
MEDIUM
8th CBSE
IMPORTANT
Learning Elementary Science with Online Support>Chapter 21 - Model Test Paper-1>MODEL TEST PAPER-1>Q 11

State two conditions necessary for combustion.

MEDIUM
8th CBSE
IMPORTANT
Learning Elementary Science with Online Support>Chapter 21 - Model Test Paper-1>MODEL TEST PAPER-1>Q 12
What do you understand by the terms: endangered species?
MEDIUM
8th CBSE
IMPORTANT
Learning Elementary Science with Online Support>Chapter 21 - Model Test Paper-1>MODEL TEST PAPER-1>Q 12
 What do you understand by the terms: endemic species?
MEDIUM
8th CBSE
IMPORTANT
Learning Elementary Science with Online Support>Chapter 21 - Model Test Paper-1>MODEL TEST PAPER-1>Q 12
Why are the given structures important to a plant cell: cell wall?