11. |
Which of these is an artifical fuel?
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Answer:
Option (c) |
12. |
Biofuels can be produced from
|
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Answer:
Option (d) |
13. |
The main composition of biogas is _______________.
|
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Answer:
Option (a) |
14. |
A Solar cell is an electrical device that converts the energy of light directly into electricity by the ____________
|
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Answer:
Option (a) |
15. |
The main disadvantage of nuclear energy is
|
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Answer:
Option (b) |
16. |
How many Nuclear power stations are there in India?
|
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Answer:
Option (c) |
17. |
Petroleum is
|
||||||||
Answer:
Option (c) |
18. |
Liquefied petroleum gas
|
||||||||
Answer:
Option (c) |
19. |
CNG is excellent for
|
||||||||
Answer:
Option (a) |
20. |
Select the correct statement.
|
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Answer:
Option (c) |