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प्रश्न
What are the raw materials used for making biogas?
उत्तर
Biogas is produced by using raw materials such as animal wastes and plant wastes in the presence of water.
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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 are the disadvantages of burning fossil fuels?
Which fossil fuels were formed by the buried remains of small plants and animals?
Suggest a safe and efficient method for the disposal of biowastes and sewage materials. How is this method advantageous to us?
What type of nuclear reaction is responsible for the liberation of energy:
in the sun?
The source of energy of the sun is:
(a) conversion of hydrogen gas into helium
(b) conversion of carbon fuel into carbon dioxide
(c) burning of hydrogen gas present in the sun
(d) disintegration of uranium into barium and krypton
The fossil fuel whose known reserves in the earth are expected to last for the minimum period is:
(a) coal
(b) uranium
(c) petroleum
(d) natural gas
Fill in the blank
Coal, petroleum, and natural gas are _________fuels.
State whether the following is True or False.
Coal takes millions of years to form.
Why are fossil fuels called non-renewable sources of energy?
