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प्रश्न
What is known as destructive distillation? Write about the products obtained from fractional distillation of petroleum.
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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
Explain the process of formation of petroleum.
Name a clean gaseous fuel other than LPG and natural gas.
Fill in the following blanks with suitable words :
LPG is a ........... fuel but biogas is not a..........fuel.
Name the products of combustion of fossil fuels like coal and petroleum products. How do they affect us and our environment?
There are two important fuels A and B both of which are extracted from deep inside the earth. Fuel A is a thick, dark, foul smelling liquid whereas fuel B is a black solid. Combustion of both the fuels produces products, C, D, E and F. The product C makes the rainwater only slightly acidic but it is mainly responsible for causing global warming. The product D is neither acidic nor basic. It is harmless and does not affect the environment in any way. Both E and F attack breathing system of humans and are mainly responsible for causing acid rain. In addition to combustion of fuels A and B, the product F is also formed when lightning occurs in the sky.
(a) What are (i) fuel A, and (ii) fuel B?
(b) Name (i) C (ii) D (iii) E, and (iv) F
(c) What is the process of formation of F during lightning known as?
(d) Which fuel is supposed to be exhausted sooner : A or B?
(e) Which fuel is mostly used for generating electricity at thermal power plants?
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.
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.
Crude oil is used as a sealant for waterproofing various surfaces.
Give reason for the following:
Petroleum is considered a harmful source of energy.
