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प्रश्न
Write an answer to the following question in your own words.
Make a list of the components we obtain from mineral oil.
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उत्तर
Components that can be obtained from mineral oil are:
- petroleum
- aviation petrol
- gasoline
- diesel
- kerosene
- naptha
- lubricating oil
- tar
- also used in the production of dyes, pesticides, etc.
संबंधित प्रश्न
Which of the following is not a natural resource?
(a) soil
(b) water
(c) electricity
(d) natural gas
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?
What is known as destructive distillation? Write about the products obtained from fractional distillation of petroleum.
Which of the following is not a constituent of petroleum?
Petroleum was formed from organisms
You are provided with a mixture of petroleum and water. Can you suggest a method to separate the two?
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 ______.
We say fossil fuels will last only for a few hundred years. Comment.
We read in newspapers that burning of fuels is a major cause of global warming. Explain why.
