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प्रश्न
A non-renewable source of energy is:
(a) wood
(b) alcohol
(c) hydrogen gas
(d) natural gas
उत्तर
natural gas
Natural gas is a non-renewable source of energy as it takes thousands of years to form
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संबंधित प्रश्न
Most of the fuels contain carbon as one of the constituents. Name a fuel which has very high calorific value but not contain carbon.
State two important uses of natural gas
What are the disadvantages of burning fossil fuels?
The natural gas consists mainly of:
(a) methane
(b) ethane
(c) propane
(d) butane
Fill in the following blank with suitable word:
Biomass is another form in which ........... energy manifests itself.
Write any two advantages of using biogas.
An energy efficient devices for producing light is:
(a) DLF
(b) CFL
(c) FCL
(d) LPG
Write about Renewable resources.
Which of the following is a pair of exhaustible natural resources?
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 |
