CBSE Questions for Class 8 Chemistry Coal And Petroleum Quiz 5 - MCQExams.com

What odorant is added to LPG to detect the leakage with smell?
  • Alcohol
  • Organo sulphur compounds
  • Coal tar
  • Chlorine gas
Which petroleum product is used in making candles?
  • Bitumen
  • Lubricating oil
  • Paraffin wax
  • L.P.G
Which of the following product is solid petroleum?
  • Petrol
  • Paraffin wax
  • Asphalt
  • Coke
Which among the following is used to prepare detergents and plastics?
  • Paraffin wax
  • Bitumen
  • Petrochemicals
  • Lubricating oil
Which of the following is used as a solvent in dry cleaning?
  • Water
  • Paraffin wax
  • Petrol
  • Coal tar
Naphthalene balls that are used as insect repellents are obtained from:
  • Kerosene
  • Coal tar
  • Coke
  • Natural gas
Secondary fuel among the following is:
  • Methanol
  • Water gas
  • LPG
  • All of the above
Petrol and diesel are obtained from:
  • coal tar
  • coal
  • petroleum
  • coal gas
Hydrogen gas is obtained from:
  • petroleum
  • coal tar
  • natural gas
  • coke

Some natural resources are limited.
  • True
  • False
Generally natural gas is associated with the:
  • oil fields
  • coal fields
  • both A and B
  • minerals

P.C.R.A advises people on how to save petrol/diesel while driving.
  • True
  • False
P.C.R.A stands for Petroleum Conservation Research Association.
  • True
  • False
Identify the odd one out from the following.
  • diesel
  • lubricating oil
  • paraffin wax
  • coal
Primary gaseous fuel among the following is:
  • producer gas
  • water gas
  • LPG
  • natural gas
Describe how coal is formed from dead vegetation? What is this process called?
  • Combination
  • Carbonization
  • Both A and B
  • Neutralisation
_________ is produced by passing air over red-hot coke.
  • Natural gas
  • Producer gas
  • Biomass
  • Biogas
Which of these is not a physical property of coke?
  • Tough
  • White
  • Porous
  • None of above
________ is among the by-products when coal is carbonized to make coke.
  • Coal tar
  • Coal
  • Carbon dioxide
  • All of above
Which one is a better fuel, coal or coke?
  • Coke is a better fuel because coke produces more heat on burning as compared to coal
  • Coal is a better fuel because it produces more heat on burning as compared to coke
  • Both produce same amount of heat on burning.
  • None of these
A solid fuel formed by heating coal in the absence of air is:
  • hydrogen
  • coke
  • methane
  • coal tar
______ has the highest carbon purity and is used to manufacture energy.
  • Petrol coke
  • Calcinated pet coke
  • Both A and B
  • None of  the above
Coking coal is coal which on carbonisation goes through:
  • softening.
  • swelling.
  • resolidification.
  • All of the above.
_____ is the material remaining after the removal of pyridine and other distillates from coal tar.
  • Pitch
  • Stalk
  • Lignite
  • None of above
One of the nitrogenous liquid base, that is recovered from coal tar, is:
  • histidine
  • pyridine
  • sulphide
  • ammonia
Coal is obtained by:
  • carbonization
  • refining
  • decomposition of dead aquatic animals
  • none of above
................ is a flammable gaseous fuel made from coal and supplied to the user via a piped distribution system.
  • Coal tar
  • Coal gas
  • Coke
  • None of these
What is obtained on processing of coal?
  • Coke
  • Coal tar
  • Petrol
  • Both a and b
What is carbonisation of coal in production of coal tar?
  • Heating of coal in absence of air
  • Heating of coal in excess of air
  • Heating of coal while adding carbon
  • Both B and C
What is the function of PCRA?
  • Advises people to save petrol/diesel
  • Advises people to prevent water pollution
  • Petroleum Refining Industry
  • None of above
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