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प्रश्न
Petroleum, ______ and ______ are fossil fuels.
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उत्तर
Petroleum, coal and natural gas are fossil fuels.
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संबंधित प्रश्न
How can you as an individual contribute or make a difference to the management of coal and petroleum
Why are coal and petroleum categorised as natural resources? Give a reason as to why they should be used judiciously.
Although coal and petroleum are produced by the degradation of biomass, even then we need to conserve them. Why?
State any five steps to reduce the consumption of coal and petroleum products.
A man bought a device X which could cook pulses, vegetables and rice without using any fuel like wood, coal, kerosene or LPG, etc. This device did not work at night. It also took a lot of time for cooking.
(a) Name the device X.
(b) What is the source of energy which cooks food in this device?
(c) What is the name of the process which traps energy in this device?
(d) State one advantage (other than saving on fuel) or using such a device for cooking food.
What are fossil fuels?
What measures would you take to conserve electricity in your house?
The underlined word in the following sentence have been jumbled up. Write them in their correct form.
Keenrose is a fuel used in jet crafts.
Coal and petroleum are formed from the dead remains of organisms and are known as ______.
Crude oil is used as a sealant for waterproofing various surfaces.
