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प्रश्न
What is known as destructive distillation? Write about the products obtained from fractional distillation of petroleum.
उत्तर
Coal when heated in the absence of air does not bum but produces many by-products. This process of heating coal in the absence of air is called destructive distillation of coal.
Products obtained from petroleum:
- Liquefied Petroleum Gas or LPG
- Diesel and petrol
- Kerosene
- Lubricating oil
- Paraffin
- Bitumen or asphalt
- Refinery Gas
- Naphtha
- Fuel Oil
- Chemicals
- Jet fuel
- Waxes
- Polishes
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संबंधित प्रश्न
Choose one term from the following which include all others :
coal, natural gas, fossil fuels, petroleum
The poisonous gas which reduces the oxygen-carrying capacity of blood to a large extent is :
(a) SO2
(b) NO
(c) CO
(d) CO2
Which of the following is not a natural resource?
(a) soil
(b) water
(c) electricity
(d) natural gas
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.
Write two disadvantages of burning fossil fuels.
Name the petroleum product used as fuel for stoves, lamps and jet aircrafts.
Fill in the blanks in the following sentence.
Petroleum, ______ and ______ are fossil fuels.
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.
We read in newspapers that burning of fuels is a major cause of global warming. Explain why.
Write some important uses of the various constituents of petroleum.
