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प्रश्न
The term petroleum means ________
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उत्तर
The term petroleum means Rock oil.
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संबंधित प्रश्न
Kerosene is not a fossil fuel.
Explain the process of formation of petroleum.
Why should fossil fuels like coal and petroleum be used judiciously?
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?
Write two disadvantages of burning fossil fuels.
Write an answer to the following question in your own words.
Make a list of the components we obtain from mineral oil.
Petroleum was formed from organisms
You are provided with a mixture of petroleum and water. Can you suggest a method to separate the two?
Name the petroleum product used as fuel for stoves, lamps and jet aircrafts.
Excessive burning of fossil fuels is a major cause of ______.
