मराठी

Name the petroleum product used as fuel for stoves, lamps and jet aircrafts.

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प्रश्न

Name the petroleum product used as fuel for stoves, lamps and jet aircrafts.

एका वाक्यात उत्तर
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उत्तर

Kerosene is a petroleum product which is used as fuel for stoves, lamps and jet aircrafts.

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पाठ 5: Coal and Petroleum - Very Short Answer Questions [पृष्ठ २५]

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एनसीईआरटी एक्झांप्लर Science [English] Class 8
पाठ 5 Coal and Petroleum
Very Short Answer Questions | Q 15. | पृष्ठ २५

संबंधित प्रश्‍न

Name the petroleum product used for surfacing of roads.


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


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 an answer to the following question in your own words.

Make a list of the components we obtain from mineral oil.


What measures would you take to conserve electricity in your house?


Coal and petroleum are formed from the dead remains of organisms and are known as ______.


Crude oil is used as a sealant for waterproofing various surfaces.


Give reason for the following:

Petroleum is considered a harmful source of energy.


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