Question # 1

Which country of the world, possesses largest reserves of coal ?

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China

Russian Federation

United States of America

Brazil

In anthracite coal, pure carbon content is:

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50 percent

25 percent

80 percent

92 to 95 percent

Coal reserves are:

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Exhaustable source of energy

Un-exhautable source of energy

Renewable source of energy

Ever increasing resources of energy

Coal reserves of Europe and Russian Federation are, world's total reserves:

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20 percent

30percent

50percent

44percent

In the earth's crust, coal formation began during carboniferous period which spanned:

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360 to 290 million years before present

500 million years before present

100 million before present

50 million years before present

World's percent coal reserves are present in the continent of:

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Africa

Asia

Europe

Australia

In the world, out of total energy, 29.2 percent is being produced from:

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Coal

Petroluem

Natural gas

Hydroelectricity

World's 80 percent coal production consists of:

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Bituminous coal

Lignite coal

Anthracite coal

Brown coal

In tropical region, coal reserves are:

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Very large

Very very large

Enough large

Very small

In 18th century, due to use of petroleum and natural gas:

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Demand of coal became less

No change took place in use of coal

Coal demand increased

Coal mining was almost stopped

In north-eastern China, Fashon coal mines are:

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Oldest coal mines in China

Recent coal mines in China

Largest coal mines in China

Deepest coal mines in China

World's largest producer of coal is:

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China

Canada

United Kingdom

United States of America

Black colour of coal is due to its:

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Carbon content

Hydrogen content

Sulphur content

Phosphorous content

In peat coal, carbon content may be:

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Up to 20 percent

Up to 30 percent

Up to 80 percent

Up to 70 percent

World's total estimated coal reserves are:

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891.531 billion metric tons

5 trillionmetric tons

10 trillion metric tons

15 trillion metric tons

Among all categories lignite coal is:

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Most superior

Most inferior

Not good quality

Not superior quality

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