Question
What is the name of the process of separating the different constituents of petroleum?
Solution
It is called refining.
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What is the name of the process of separating the different constituents of petroleum?
It is called refining.
Coal-tar is a mixture of various substances.
Kerosene is not a fossil fuel.
Explain why fossil fuels are exhaustible natural resources?
Describe characteristics and uses of coke.
Explain the process of formation of petroleum.
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 year on the Y-axis and the year on the X-axis.
|
1 |
Year 1991 |
Shortage % 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 |
Name two each of the exhaustible and inexhaustible natural resources.
Write the name of two natural substances.
Why are air, water and soil called natural resources?
Why are coal, petroleum and natural gas called fossil fuels?
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