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Coal and Petroleum (Class - VIII)

Coal and Petroleum

15 Questions Published
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Questions

Question 1 Multiple Choice (Single Answer)

Which of the following gases occurs above the petroleum oil trapped under the rocks?

  1. Biogas
  2. Liquid nitrogen
  3. Carbon dioxide
  4. Argon
  5. Natural gas
Question 2 Multiple Choice (Single Answer)

Which of the following is used as a source of hydrogen gas needed to manufacture fertilisers?

  1. Natural gas
  2. Biogas
  3. Coal gas
  4. LPG
  5. None of these
Question 3 Multiple Choice (Single Answer)

Liquefied petroleum gas consists mainly of

  1. methane
  2. carbon monoxide
  3. butane
  4. nitrogen
  5. hydrogen
Question 4 Multiple Choice (Single Answer)

Which of the following are fossil fuels?

a. Coal
b. Petroleum
c. Natural gas
d. Biogas

  1. Only a and d
  2. Only b, c and d
  3. Only b and c
  4. Only a, b and c
  5. Only a, b and d
Question 5 Multiple Choice (Single Answer)

When heated with oxygen, carbon burns to produce heat and ___________ gas.

  1. butane
  2. methane
  3. hydrogen
  4. carbon dioxide
  5. nitrogen
Question 6 Multiple Choice (Single Answer)

Which of the following statements is/are false?

a. Coal is a hard, black combustible mineral that consists mainly of carbon.
b. The real source of energy of coal is solar energy.
c. The slow process by which the dead plants buried deep under the earth have become coal is called fractional distillation.

  1. Only a
  2. Only a and b
  3. Only b
  4. Only b and c
  5. Only c
Question 7 Multiple Choice (Single Answer)

Coal gas is mainly a mixture of which of the following gases?

a. Methane
b. Hydrogen
c. Carbon monoxide
d. Butane

  1. Only a and d
  2. Only a, b and c
  3. Only c and d
  4. Only a, b and d
  5. Only b, c and d
Question 8 Multiple Choice (Single Answer)

Petroleum is a complex mixture of hydrocarbons. Which of the following substances constitute hydrocarbons?

a. Carbon
b. Carbon monoxide
c. Hydrogen
d. Nitrogen

  1. Only a and b
  2. Only b and c
  3. Only b and d
  4. Only a and c
  5. Only a and d
Question 9 Multiple Choice (Single Answer)

Match the following:

 
a. Coal gas 1. It is a tough and black solid substance that is obtained by heating coal in the absence of air.
b. Coal tar 2. It is a thick, black liquid having an unpleasant smell that is obtained by heating coal in the absence of air.
c. Coke 3. It is a gaseous fuel that is obtained by the strong heating of coal in the absence of air.
  1. a - 3, b - 2, c - 1
  2. a - 3, b - 1, c - 2
  3. a - 1, b - 3, c - 2
  4. a - 2, b - 3, c - 1
  5. a - 1, b - 2, c - 3
Question 10 Multiple Choice (Single Answer)

Which of the following statements is/are false?

a. The chemicals obtained from petroleum and natural gas are called petrochemicals.
b. CNG is more polluting than petrol and diesel.
c. Natural gas is used as a fuel in thermal power stations for generating electricity.

  1. Only a
  2. Only a and b
  3. Only b
  4. Only b and c
  5. Only c
Question 11 Multiple Choice (Single Answer)

Natural gas does not consist of which of the following gases?

a. Methane
b. Ethylene
c. Propane
d. Ethane

  1. Only a and b
  2. Only a
  3. Only c and d
  4. Only a, c and d
  5. Only b
Question 12 Multiple Choice (Single Answer)

Which of the following is an almost pure form of carbon and is used mainly as a reducing agent in the extraction of some metals?

  1. Coal gas
  2. Coke
  3. Coal tar
  4. Petroleum gas
  5. Kerosene
Question 13 Multiple Choice (Single Answer)

Exhaustible and inexhaustible resources are the two types of resources. Which of the following resources is/are inexhaustible?

  1. Natural gas
  2. Petroleum
  3. Minerals
  4. Coal
  5. Biogas
Question 14 Multiple Choice (Single Answer)

Which of the following is not a fraction obtained by the refining of petroleum?

  1. Bitumen
  2. Diesel
  3. Paraffin wax
  4. Coke
  5. Lubricating oil
Question 15 Multiple Choice (Single Answer)

The various compounds present in _________ are separated by the process of fractional distillation.

a. coal tar
b. coke
c. coal gas

  1. Only a
  2. Only a and b
  3. Only b
  4. Only b and c
  5. Only c
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