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प्रश्न
Match the items given in Column I with the items of Column II.
| Column I | Column II |
| (a) Used for road surfacing | (i) Black gold |
| (b) Natural gas | (ii) Vaseline and candles |
| (c) Petroleum | (iii) Bitumen |
| (d) Paraffin wax | (iv) CNG |
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उत्तर
| Column I | Answers |
| (a) Used for road surfacing | (iii) Bitumen |
| (b) Natural gas | (iv) CNG |
| (c) Petroleum | (i) Black gold |
| (d) Paraffin wax | (ii) Vaseline and candles |
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संबंधित प्रश्न
On what basis would you classify energy sources as
(a) renewable and non-renewable?
(b) exhaustible and inexhaustible?
Are the options given in (a) and (b) the same?
What is meant by a renewable source of energy? Give two examples of renewable sources of energy.
State two important uses of natural gas
Describe how fossil fuels were formed.
Coal cannot be converted into one of the following forms of energy. This is:
(a) coal gas
(b) electricity
(c) oil
(d) charcoal
Why should we conserve the non-renewable sources of energy?
Name two forms of sea energy.
Choose the odd one:
Why is there a need for harnessing non-conventional sources of energy? How can energy be harnessed from the sea in different ways?
What are the environmental consequences of using fossil fuels? Suggest the steps to minimise the pollution caused by various sources of energy including non-conventional sources of energy.
