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What are the advantages of using CNG and LPG as fuels?
Advantages of CNG—Compressfed Natural Gas and LPG—Liquefied Petroleum Gas are:
i) Both fuels burn with clean flame that does not produce smoke.
ii) They give more heat and energy as compared to other fuels.
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Name the petroleum product used for surfacing of roads.
Bitumen or coaltar is used for surfacing of roads.
Describe how coal is formed from dead vegetation. What is this process called?
Millions of years ago, dense forest and animal got buried under the soil due to natural process like floods, earthquakes and thunder storms. When they got buried deep in the soil, they were exposed to very high pressure and temperature. Under these conditions, these slowly got converted into coal. This process of formation of coal vegetation is called carbonization.
Fossil fuels are ________, ________ and ________.
coal
,petroleum
,natural gas
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Mock Test Series
