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प्रश्न
Write some important uses of the various constituents of petroleum.
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
Name two fossil fuels.
Which fossil fuel is conserved when we use bicycle for covering short distances instead of a motorbike?
Name the products of combustion of fossil fuels like coal and petroleum products. How do they affect us and our environment?
What are the main uses of coal and petroleum products?
Which of the following is not a natural resource?
(a) soil
(b) water
(c) electricity
(d) natural gas
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?
While discussing about coal and petroleum a teacher told his students about PCRA's (Petroleum Conservation Research Association) guidelines to save the fossil fuels while driving vehicles. Deepa was going to her school with her mother who was driving car. At the traffic signal, when the light was red, Deepa suggested her mother to switch of the engine.
After reading the above passage, answer the following questions :
(a) Fossil fuels are natural resources, then why do we need to conserve them?
(b) List any two ways of saving the fossil fuels.
(c) State two values exhibited to Deepa.
Name the petroleum product used as fuel for stoves, lamps and jet aircrafts.
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.
