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प्रश्न
Coal is one of the ______ used to cook food.
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उत्तर
Coal is one of the fuels used to cook food.
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संबंधित प्रश्न
Compare and contrast fossil fuels and the Sun as direct sources of energy
A good fuel is one which possesses:
(a) high calorific value and low ignition temperature
(b) high calorific value and high ignition temperature
(c) high calorific value and moderate ignition temperature
(d) low calorific value and moderate ignition temperature
Describe how fossil fuels were formed.
Which of the following is not produced by the burning of fossil fuels?
(a) nitrogen oxides
(b) sulphur oxides
(c) sodium oxides
(d) carbon oxides
What are the raw materials used for making biogas?
Which of the following is ultimately not derived from the sun's energy (or solar energy)?
(a) wind energy
(b) nuclear energy
(c) biomass energy
(d) ocean thermal energy
Which of the two is more energy efficient: filament type electric bulb or CFL? Why?
Name five renewable and three non-renewable sources of energy.
Can you tell?
What are the non-conventional energy resources?
Name two forms of sea energy.
