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प्रश्न
Kerosene is not a fossil fuel.
विकल्प
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.
संबंधित प्रश्न
Name the petroleum product used for surfacing of roads.
What are the main uses of coal and petroleum products?
A person buys two electrical devices P and Q for lighting purposes in his house. The device P consumes only 5 units of electricity in a month but device Q consumes 15 units of electricity in a month when used for the same number of hours daily. The device Q wastes a lot of electricity by radiating energy C but P does not do so.
(a) What type of device is (i) P, and (ii) Q?
(b) Name one component which is present in Q but not in P.
(c) Name the energy C.
(d) Which device is more energy efficient : P or Q?
(e) Which fossil fuel is most likely to be conserved if all of us switch over to devices like P?
While discussing about coal and petroleum a teacher told his students about PCRA's (Petroleum Conservation Research Association) guidelines to save the fossil fuels while driving vehicles. Deepa was going to her school with her mother who was driving car. At the traffic signal, when the light was red, Deepa suggested her mother to switch of the engine.
After reading the above passage, answer the following questions :
(a) Fossil fuels are natural resources, then why do we need to conserve them?
(b) List any two ways of saving the fossil fuels.
(c) State two values exhibited to Deepa.
Write two disadvantages of burning 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.
Excessive burning of fossil fuels is a major cause of ______.
Write some important uses of the various constituents of petroleum.
Give reason for the following:
Petroleum is considered a harmful source of energy.
