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8th Jammu and Kashmir Board
IMPORTANT
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CNG is more polluting fuel than petrol.

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Important Questions on Coal and Petroleum

EASY
8th Jammu and Kashmir Board
IMPORTANT
SCIENCE TEXTBOOK FOR CLASS 8>Chapter 2 - Coal and Petroleum>Exercises>Q 5
Coke is almost pure form of carbon.
EASY
8th Jammu and Kashmir Board
IMPORTANT
SCIENCE TEXTBOOK FOR CLASS 8>Chapter 2 - Coal and Petroleum>Exercises>Q 5
Coal tar is a mixture of various substances.
MEDIUM
8th Jammu and Kashmir Board
IMPORTANT
SCIENCE TEXTBOOK FOR CLASS 8>Chapter 2 - Coal and Petroleum>Exercises>Q 5
Kerosene is not a fossil fuel.
MEDIUM
8th Jammu and Kashmir Board
IMPORTANT
SCIENCE TEXTBOOK FOR CLASS 8>Chapter 2 - Coal and Petroleum>Exercises>Q 6
Explain why fossil fuels are exhaustible natural resources.
HARD
8th Jammu and Kashmir Board
IMPORTANT
SCIENCE TEXTBOOK FOR CLASS 8>Chapter 2 - Coal and Petroleum>Exercises>Q 7
Describe characteristics and uses of coke.
MEDIUM
8th Jammu and Kashmir Board
IMPORTANT
SCIENCE TEXTBOOK FOR CLASS 8>Chapter 2 - Coal and Petroleum>Exercises>Q 8
Explain the process of formation of petroleum.
HARD
8th Jammu and Kashmir Board
IMPORTANT
SCIENCE TEXTBOOK FOR CLASS 8>Chapter 2 - Coal and Petroleum>Exercises>Q 9
The following table shows the total power shortage in India from 1991-1997. Show the data in the form of a graph. Plot shortage percentage for the years on the Y-axis and the year on the X-axis.
S.No Year Shortage (%)
1 1991 7.9
2 1992 7.8
3 1993 8.3
4 1994 7.4
5 1995 7.1
6 1996 9.2
7 1997 11.5
    
EASY
8th Jammu and Kashmir Board
IMPORTANT
SCIENCE TEXTBOOK FOR CLASS 8>Chapter 2 - Coal and Petroleum>Exercises>Q 10
What are the exhaustible natural resources? Give examples.