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New Science Ahead 8
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Chapter 5 - Coal and Petroleum
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Exercises
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Q E
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MEDIUM
8th CBSE
IMPORTANT
Earn 100
Name five products obtained from the refining of petroleum. List the uses of each.
Important Questions on Coal and Petroleum
MEDIUM
8th CBSE
IMPORTANT
New Science Ahead 8
>
Chapter 5 - Coal and Petroleum
>
Exercises
>
Q E
List six things you can do to conserve fuels.
MEDIUM
8th CBSE
IMPORTANT
New Science Ahead 8
>
Chapter 5 - Coal and Petroleum
>
Higher-order Thinking Skills
>
Q 1
Why do coal miners use battery-powered lamps rather than candles, lanterns or other types of open fires to light their way in the tunnels?
MEDIUM
8th CBSE
IMPORTANT
New Science Ahead 8
>
Chapter 5 - Coal and Petroleum
>
Higher-order Thinking Skills
>
Q 2
Why are natural gas and petroleum gas compressed and made into liquids for use?