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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
Process of separation of different constituents from petroleum is called ______.
Which fossil fuel is conserved when we use bicycle for covering short distances instead of a motorbike?
State any five steps to reduce the consumption of coal and petroleum products.
Which of the following is not a natural resource?
(a) soil
(b) water
(c) electricity
(d) natural gas
There are two important fuels A and B both of which are extracted from deep inside the earth. Fuel A is a thick, dark, foul smelling liquid whereas fuel B is a black solid. Combustion of both the fuels produces products, C, D, E and F. The product C makes the rainwater only slightly acidic but it is mainly responsible for causing global warming. The product D is neither acidic nor basic. It is harmless and does not affect the environment in any way. Both E and F attack breathing system of humans and are mainly responsible for causing acid rain. In addition to combustion of fuels A and B, the product F is also formed when lightning occurs in the sky.
(a) What are (i) fuel A, and (ii) fuel B?
(b) Name (i) C (ii) D (iii) E, and (iv) F
(c) What is the process of formation of F during lightning known as?
(d) Which fuel is supposed to be exhausted sooner : A or B?
(e) Which fuel is mostly used for generating electricity at thermal power plants?
What is known as destructive distillation? Write about the products obtained from fractional distillation of petroleum.
Name the petroleum product used as fuel for stoves, lamps and jet aircrafts.
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.
Crude oil is used as a sealant for waterproofing various surfaces.
Give reason for the following:
Petroleum is considered a harmful source of energy.
