Tag: coal

Questions Related to coal

Sewage gases are produced by the decomposition of :

chemistry rocks and minerals coal petroleum non-renewable sources of energy

  1. organic household

  2. industrial wastes

  3. both A and B

  4. none of these

Show answer
Correct Option: C
Explanation:

Sewer gas is a complex mixture of toxic and nontoxic gases produced  by the decomposition of organic household or industrial wastes.

Sewer gas is a complex mixture of:

chemistry rocks and minerals coal petroleum non-renewable sources of energy

  1. toxic and nontoxic gases

  2. toxic gases

  3. nontoxic gases

  4. inert gases

Show answer
Correct Option: A
Explanation:

Sewer gas is a complex mixture of toxic and nontoxic gases produced and collected in sewage systems by the decomposition of organic household or industrial wastes, typical components of sewage. Sewer gases may include hydrogen sulfide, ammonia, methane, esters, carbon monoxide, sulfur dioxide and nitrogen oxides.

The Petroleum Conservation Research Association (PCRA) is an organization established in India in:

chemistry rocks and minerals coal petroleum non-renewable sources of energy

  1. 1968

  2. 1988

  3. 1948

  4. 1978

Show answer
Correct Option: D
Explanation:

The Petroleum Conservation Research Association (PCRA) is an organization established in India in 1978. It helps the government in proposing policies and strategies aimed at reducing India's dependency on oil, in order both to save money and to reduce the environmental impact of oil use.

Petroleum is formed from:

chemistry rocks and minerals coal petroleum non-renewable sources of energy

  1. insects

  2. wild animals

  3. organisms in sea

  4. domestic animals

Show answer
Correct Option: C
Explanation:

Petroleum (also known as crude oil or simply oil) is a fossil fuel that was formed from the remains of ancient marine organisms. Millions of years ago, algae and plants lived in shallow seas. After dying and sinking to the seafloor, the organic material mixed with other sediments and was buried.

Which of the following represents true statement(s)?

chemistry rocks and minerals coal petroleum non-renewable sources of energy

  1. Natural gas is an important fossil fuel as it is easy to transport through pipes.

  2. Natural gas is stored under low pressure.

  3. CNG is used for power generation.

  4. CNG is used as fuel for transport vehicles.

Show answer
Correct Option: A,C,D
Explanation:

The statements (A), (C) and (D) are true. Natural gas is an important fossil fuel as it is easy to transport through pipes. Natural gas is stored under high pressure as compressed natural gas (CNG). CNG is used for power generation. CNG is used as fuel for transport vehicles as it is less polluting. It is a cleaner fuel.

Choose the correct statement from the following :

chemistry rocks and minerals coal petroleum non-renewable sources of energy

  1. It is difficult to transport natural gas through pipes

  2. The disadvantage of natural gas is that it cannot be used directly for burning in homes

  3. Natural gas is stored under low pressure as compressed natural gas

  4. Natural gas cannot be used for power generation

Show answer
Correct Option: A
Explanation:

It is difficult to transport natural gas through pipelines as it poses safety concerns due to the flammable nature of natural gas.


Hence the correct option is A.

Natural gas is found as:

chemistry rocks and minerals coal petroleum non-renewable sources of energy

  1. layer above hot-beds

  2. layer below petroleum oil deep underground

  3. layer above petroleum oil deep underground

  4. layer below the glacier

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Correct Option: C

A layer of oil and gas is trapped by rocks called __________.

chemistry rocks and minerals coal petroleum non-renewable sources of energy

  1. metamorphic

  2. sedimentary

  3. impervious

  4. igneous

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Correct Option: C
Explanation:

Impervious rocks are rocks which squeeze both oil and gas between them. Petroleum is obtained deep down from these impervious rocks.

Petroleum oil is found:

chemistry rocks and minerals coal petroleum non-renewable sources of energy

  1. deep underground (sea beds)

  2. in mountains

  3. in glacier

  4. in river

Show answer
Correct Option: A
Explanation:

Petroleum oil is found deep underground in seabeds. 

What is formed from a natural process from plants and animal residues and is an example of fossil fuel? 

chemistry rocks and minerals coal petroleum non-renewable sources of energy

  1. Umepeltor

  2. Upetlmore

  3. Petroleum

  4. Peroletum

Show answer
Correct Option: C
Explanation:

Petroleum is formed from natural process from plants and animal residues and is an example of fossil fuel.