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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
What is a source of energy? What are the two main categories of the sources of energy?
What is the composition of liquefied petroleum gas (LPG)?
Name the component which is found in natural gas well as in biogas.
The energy in petrol originally came from the sun. Explain how it got into petrol.
The fuel which is not obtained from biomass is:
(a) firewood
(b) cow-dung cakes
(c) coke
(d) charcoal
The world's known coal reserves are expected to last for about:
(a) 200 years
(b) 400 years
(c) 500 years
(d) 100 years
An energy efficient devices for producing light is:
(a) DLF
(b) CFL
(c) FCL
(d) LPG
Who is the odd one out?
Write about Renewable resources.
Why is there a need to harness non-conventional sources of energy? Give two main reasons.
