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प्रश्न
Write some important uses of the various constituents of petroleum.
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उत्तर
- Petroleum gas in liquid form (LPG) is used as fuel in homes and industries.
- Petrol is used as fuel for automobiles and aviation.
- Kerosene is used as fuel for stoves, lamps and jet aircrafts.
- Diesel is used as fuel for heavy motor vehicles, electric generators.
- Lubricating oil is used for lubrication.
- Paraffin wax is used in ointments, candles, vaseline, etc.
- Bitumen is used in paints and road surfacing.
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संबंधित प्रश्न
Explain the process of formation of petroleum.
Choose one term from the following which include all others :
coal, natural gas, fossil fuels, petroleum
Why should fossil fuels like coal and petroleum be used judiciously?
What are the main uses of coal and petroleum products?
State any five steps to reduce the consumption of coal and petroleum products.
The poisonous gas which reduces the oxygen-carrying capacity of blood to a large extent is :
(a) SO2
(b) NO
(c) CO
(d) CO2
A man bought a device X which could cook pulses, vegetables and rice without using any fuel like wood, coal, kerosene or LPG, etc. This device did not work at night. It also took a lot of time for cooking.
(a) Name the device X.
(b) What is the source of energy which cooks food in this device?
(c) What is the name of the process which traps energy in this device?
(d) State one advantage (other than saving on fuel) or using such a device for cooking food.
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.
What is known as destructive distillation? Write about the products obtained from fractional distillation of petroleum.
