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प्रश्न
Excessive burning of fossil fuels is a major cause of ______.
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उत्तर
Excessive burning of fossil fuels is a major cause of air pollution.
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संबंधित प्रश्न
Which fossil fuel is conserved when we use bicycle for covering short distances instead of a motorbike?
Fill in the following blanks with suitable words :
LPG is a ........... fuel but biogas is not a..........fuel.
Fill in the following blank with suitable word :
When a fuel burns in an insufficient supply of air, then some poisonous gas called ......... is also produced.
Name the products of combustion of fossil fuels like coal and petroleum products. How do they affect us and our environment?
State any five steps to reduce the consumption of coal and petroleum products.
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?
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Make a list of the components we obtain from mineral oil.
The term petroleum means ________
Petroleum was formed from organisms
Name the petroleum product used as fuel for stoves, lamps and jet aircrafts.
