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प्रश्न
Kerosene is not a fossil fuel.
पर्याय
True
False
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उत्तर
This statement is false.
Explanation:
Kerosene is a fossil fuel made from petroleum. It was formed over millions of years from decomposed organic matter from ancient species. Kerosene is used in stoves, lamps, and jet aircraft.
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संबंधित प्रश्न
How can you as an individual contribute or make a difference to the management of coal and petroleum
Process of separation of different constituents from petroleum is called ______.
Fill in the following blanks with suitable words :
LPG is a ........... fuel but biogas is not a..........fuel.
Although coal and petroleum are produced by the degradation of biomass, even then we need to conserve them. Why?
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?
List the products of combustion of fossil fuels. What are their adverse effects on the environment?
Match the following.
| Octane rating | Diesel |
| Cetane rating | Methane |
| Simplest hydrocarbon | Petrol |
| Peat | Bown in colour |
| Lignite | First stage coal |
What is known as destructive distillation? Write about the products obtained from fractional distillation of petroleum.
What measures would you take to conserve electricity in your house?
We read in newspapers that burning of fuels is a major cause of global warming. Explain why.
