CBSE Questions for Class 8 Chemistry Coal And Petroleum Quiz 1 - MCQExams.com

When steam is passed over hot coke, it produces:
  • producer synthesis gas
  • water gas
  • tear gas
  • coal gas
All are the mixtures of various organic compounds except:
  • petrol/diesel
  • octane
  • vaseline
  • kerosene
Paraffin wax is used for making:
  • vaselines
  • candles
  • ointments
  • all of the above
State true or false.

Coal gas, coke and producer gas are examples of fossil fuel.
  • True
  • False
Naphthalene balls are prepared from:
  • coke
  • plants
  • coal tar
  • petroleum
Fuel for heavy motor vehicles is:
  • petrol
  • diesel
  • coal tar
  • kerosene
Coal gas is the by-product of which process?
  • Coal processing to get coke
  • Carbonisation
  • Combustion of carbon dioxide
  • Burning of petroleum
Petroleum is also known as Black gold?
  • True
  • False
Why is foundry coke used in boilers and furnaces?
  • Excellent insulator
  • Excellent source of light
  • Excellent source of heat
  • None of above
State whether True or False:
CNG is a component of natural gas.
  • True
  • False
What is fixed in coke?
  • Amount of carbon
  • Fuel portion in coke
  • $$CO_2$$ portion
  • All of above
Gasoline has composition:
  • $$C_8 - C_{12}$$
  • $$C_2 - C_5$$
  • $$C_6 - C_{11}$$
  • None of these
Choose the correct alternative from the choice given for the following statements:
Fuels which do not leave any residue on burning are
  • coal and wood
  • coal and LPG
  • wood and LPG
  • LPG and CNG
Petroleum is found under the
  • Sedimentary rocks
  • Water
  • Sand
  • Coke
Fossil fuels are
  • Inexhaustible
  • Exhaustible
  • Renewable
  • Laboratory made
Main constituent of LPG is
  • Methane
  • Butane
  • Ethane
  • Propane
State whether the following statement is true or false:

Lubricant oil is useful in vehicles and as a fuel in cooking foods.
  • True
  • False
State true or false.
Coal tar is a mixture of various substances.
  • True
  • False
LPG mainly contains:-
  • methane
  • methane and ethane
  • hydrogen, methane and ethane
  • propane and butane
CNG is more polluting fuel than petrol. (T / F)
  • True
  • False
Major source of mineral in soil is the __________________.
  • parent rock from which soil is formed
  • plants
  • animals
  • bacteria
Petroleum was formed from organisms:
  • living on the land
  • living on the plants
  • living in the sea
  • living on the rocks
The petroleum product that has replaced coal-tar for metalling the road is:
  • peat
  • bitumen
  • lignite
  • anthracite
Which one of the following is not a petroleum product?
  • Kerosene
  • Gasoline
  • Pitch black
  • Bees wax
Coal can be drawn into thin wires.
  • True
  • False
Which is an almost pure form of carbon?
  • Coke
  • Coal tar
  • Coal gas
  • None of these
Air is a natural resource and cannot be exhausted by human activities. It is known as inexhaustible natural resource. Which of the following is another inexhaustible natural resource?
  • Coal
  • Petroleum
  • Sunlight
  • Minerals
Which of the following is a characteristics of coke?
  • Grayish-black residue
  • Blue residue
  • Pale white residue
  • Brown residue
Important constituents of petroleum is/are: 
  • LPG
  • petrol
  • kerosene
  • all of these
From where mineral coal is obtained in Gujarat?
  • Ankleshwar
  • Khambat
  • Thangadh
  • Kalol
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