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Earn 100

Write the composition of LPG.

Important Questions on Rocks and Minerals

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Science>Chemistry>Rocks and Minerals>Fossils and Fossil Fuels
Coal and petroleum are classified as _____ fuels.
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Science>Chemistry>Rocks and Minerals>Fossils and Fossil Fuels
A liquid fuel used in homes is _____. (wood / kerosene)
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Science>Chemistry>Rocks and Minerals>Fossils and Fossil Fuels

Complete the analogy using words within brackets: (wind, coal, water)

Renewable : sun :: non-renewable: _____

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Science>Chemistry>Rocks and Minerals>Fossils and Fossil Fuels
Coal and petroleum are formed from the dead remains of organisms and are known as _____.
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Science>Chemistry>Rocks and Minerals>Fossils and Fossil Fuels
Fuels which are formed by the decomposition of dead plants and animals are called _____.
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Science>Chemistry>Rocks and Minerals>Fossils and Fossil Fuels
The process of separation of different constituents from petroleum is called _____.(filtration/refining/concentration)
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Science>Chemistry>Rocks and Minerals>Fossils and Fossil Fuels
Coal, natural gas and petroleum are together known as _____ fuels.
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Science>Chemistry>Rocks and Minerals>Fossils and Fossil Fuels
Process of separation of different constituents from petroleum is called _____.
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Science>Chemistry>Rocks and Minerals>Fossils and Fossil Fuels

Choose the right word and fill in the blank:

_____ (Soil/Petroleum) is formed from the remains of dead plants and animals.

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Science>Chemistry>Rocks and Minerals>Fossils and Fossil Fuels
Solid : wood :: liquid : _____. (hydrogen / kerosene)
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Science>Chemistry>Rocks and Minerals>Fossils and Fossil Fuels
Coal is one of the _____ used to cook food. (crystalline form of carbon/ fuels)
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Science>Chemistry>Rocks and Minerals>Fossils and Fossil Fuels
_____is a black, sticky substance that does not vaporise.
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Science>Chemistry>Rocks and Minerals>Fossils and Fossil Fuels
The liquid fossil fuel is _____.
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Science>Chemistry>Rocks and Minerals>Fossils and Fossil Fuels
The process of separating the various constituents of petroleum is known as _____.
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Science>Chemistry>Rocks and Minerals>Fossils and Fossil Fuels

(petroleum, marble, mine, ores)

_____ is formed by the decomposition of matter - both animal and vegetable.

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Science>Chemistry>Rocks and Minerals>Fossils and Fossil Fuels
Coal contains mainly _____. 
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Science>Chemistry>Rocks and Minerals>Fossils and Fossil Fuels
Grease stains are removed from clothes by using _____. (Petrol/ Coal)
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Science>Chemistry>Rocks and Minerals>Fossils and Fossil Fuels
_____ forms the largest portion of the world's coal reserves. (Lignite / anthracite)
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Science>Chemistry>Rocks and Minerals>Fossils and Fossil Fuels
Different constituents of petroleum are separated by _____.
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Science>Chemistry>Rocks and Minerals>Fossils and Fossil Fuels
In the liquid state, hydrogen is used as a fuel in _____ (nuclear power plant / spacecraft).