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प्रश्न
Fill in the blanks in the following sentence.
Coal is one of the ______ used to cook food.
उत्तर
Coal is one of the fuels used to cook food.
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संबंधित प्रश्न
"The ignition temperature of a fuel is 80°C". What does this mean?
Fill in the following blank with a suitable word:
The amount of heat produce by burning a unit mass of a fuel completely is known as its ............ value.
What is meant by a renewable source of energy? Give two examples of renewable sources of energy.
LPG consists mainly of:
(a) butane
(b) ethane
(c) butanone
(d) methane
The pollution of air caused by burning petroleum fuels (like petrol and diesel) in vehicles can be controlled by fitting a device X in the exhaust system of vehicles.
Name the device
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
What is meant by the renewable and non-renewable sources of energy? State two differences between them, giving two examples of each
Who is the odd one out?
Why should we conserve the non-renewable sources of energy?
The major problem in harnessing nuclear energy is how to ______.
