Questions
Which of the following is not a use of natural gas?
- Natural gas is used as a domestic and industrial fuel.
- Compressed natural gas is used as a fuel in transport vehicles.
- Natural gas is used as a fuel to move turbines at hydropower plants.
- Natural gas is used as a starting material for the manufacture of a number of chemicals.
- Natural gas is used as a source of hydrogen gas needed to manufacture fertilisers.
Which of the following gases is produced when coal is burnt with oxygen from the air?
- Carbon dioxide
- Argon
- Nitrogen
- Hydrogen
- Helium
Which of the following is a constituent of coal?
- Iron
- Carbon
- Aluminium
- Sodium
- Zinc
Which of the following is not a usage of coal?
- Coal is used as a fuel.
- Coal is used as a fuel in thermal power plants.
- Coal is used to make coke.
- Coal is used in oil refineries to extract petrol.
- Coal is used as a fuel to make steam in steam engines.
Which of the following is not an exhaustible natural resource?
- Coal
- Petroleum
- Sunlight
- Minerals
- None of these
In which of the following states in India are coal mines not found?
- Bihar
- West Bengal
- Orissa
- Madhya Pradesh
- Punjab
Which of the following product is/are obtained by the processing of coal?
a. Coal Gas
b. Coal Tar
c. Coke
- Only a
- Only a and b
- Only b
- Only b and c
- All of these
Which of the following statements is/are false?
a. Petroleum is a single chemical compound.
b. Coke is used as a reducing agent in the extraction of metals.
c. Coal tar, coal gas and coke are obtained by heating coal in the absence of air.
- Only a
- Only a and b
- Only b
- Only b and c
- Only c
Which of the following is not a product obtained from the refining of petroleum?
- Bitumen
- Phenol
- Petrol
- Paraffin wax
- Lubricating oil
Which of the following statements is/are false?
a. The various compounds present in coal tar are separated by the process of fractional distillation.
b. The naphthalene balls used to repel moths and other insects is a product of coal tar.
c. Coal gas is a mixture of methane, nitrogen and carbon monoxide as major components.
- Only a
- Only a and b
- Only b
- Only b and c
- Only c
Which of the following statements is/are false?
a. The Liquefied Petroleum Gas consists mainly of methane.
b. Natural gas consists mainly of methane, ethane and propane.
c. The separation of petroleum into different fractions is done by the process of fractional distillation.
- Only a
- Only a and b
- Only b
- Only b and c
- Only c
Which of the following is not an example of petrochemicals?
- Ethylene
- Benzene
- Toluene
- Acetone
- Nitrous acid
Match the following:
| a. Fractional distillation | 1. It is a process in which coal is strongly heated in the absence of air. |
| b. Destructive distillation | 2. It is the slow process by which, the dead plants buried deep under the Earth turn into coal. |
| c. Carbonisation | 3. It is a process in which fractions of petroleum having different boiling point ranges are collected separately. |
- a - 3, b - 1, c - 2
- a - 3, b - 2, c - 1
- a - 1, b - 3, c - 2
- a - 1, b - 2, c - 3
- a - 2, b - 1, c - 3
Match the following:
| a. Coal gas | 1. It is a tough and porous black solid substance. |
| b. Coal tar | 2. It is a gaseous fuel which is obtained by the strong heating of coal in the absence of air. |
| c. Coke | 3. It is a thick, black liquid having an unpleasant smell which is obtained by the heating of coal in the absence of air. |
- a - 3, b - 1, c - 2
- a - 3, b - 2, c - 1
- a - 2, b - 1, c - 3
- a - 2, b - 3, c - 1
- a - 1, b - 3, c - 2
Which of the following is not a characteristic of Liquefied Petroleum Gas?
- Liquefied Petroleum Gas burns easily.
- Liquefied Petroleum Gas does not leave any solid residue on burning.
- Liquefied Petroleum Gas does not produce any poisonous gases.
- Liquefied Petroleum Gas burns with a smokeless flame.
- Liquefied Petroleum Gas has a very low calorific value.