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प्रश्न
Petroleum, ______ and ______ are fossil fuels.
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उत्तर
Petroleum, coal and natural gas are fossil fuels.
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संबंधित प्रश्न
Explain the process of formation of petroleum.
Which fossil fuel is conserved when we save on electricity?
Name a clean gaseous fuel other than LPG and natural gas.
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 combination of terms has no fossil fuel?
(a) wind, ocean, coke
(b) kerosene, tide, wind
(c) wood, wind, sun
(d) petrol, wood, sun
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.
Petroleum was formed from organisms
Name the petroleum product used as fuel for stoves, lamps and jet aircrafts.
Crude oil is used as a sealant for waterproofing various surfaces.
