CBSE Questions for Class 8 Chemistry Coal And Petroleum Quiz 6 - MCQExams.com

Coal tar belongs to a class of drugs known as:
  • aldehydes
  • alcohols
  • keratoplastics
  • none of above
Coal gas contains:
  • hydrogen
  • carbon monooxide
  • methane
  • all of the above
What is coal tar also known as when used in shampoo, ointment etc?
  • Liquor carbonis detergens
  • Solidified carbonis detergents
  • Soldified coke detergents
  • All of the above
Which of the following is not a tip of PCRA?
  • Drive at a constant and moderate speed as far as possible.
  • Ensure correct tyre pressure.
  • Ensure regular maintenance of the vehicle.
  • All of the above are tips given by PCRA.
Coal, natural gas and petroleum are___________________.
  • fossil fuels
  • natural resources
  • artificial resources
  • all of these
LPG is ______________________.
  • liquefied petroleum gas
  • liquefied paraffin gas
  • liquid petroleum gas
  • liquid paraffin gas
Which of the following measure can be taken to preserve natural resources?
  • Switch off electricity when not required
  • Car pooling
  • Preferring public transport instead of personal vehicle
  • All of these
Depletion of petrol can be controlled by:
  • using CNG
  • using LPG
  • using kerosene
  • None of above
________ is widely used as fuel in factories and thermal power stations.
  • Coke
  • Coal
  • Charcoal
  • Natural gas
Petroleum is an important source for all of the following except:
  • natural gas
  • rubber
  • kerosene
  • gasoline
What are the conditions required for the formation of coal?
  • High temperature
  • High pressure
  • Low temperature
  • Low pressure
Coal found in deeper strata of earth is:
  • good
  • bad
  • can't say
  • both A and B
The process of conversion of dead vegetation into coal is termed as:
  • precipitation
  • refining
  • recycling
  • carbonization
Coal is formed from:
  • dead animals
  • dead vegetation
  • Both of the above
  • None of the above
What is the main constituent of coal?
  • Hydrogen
  • Oxygen
  • Carbon
  • Nitrogen
Which country is the global leader in coal production?
  • India
  • America
  • China
  • England
State whether true or false:
Coke is a smokeless fuel.
  • True
  • False
On which of the following content of coke, its price depend?
  • Sulphur
  • Ash
  • Nitrogen
  • Both a and b
Coal can be used as a main source of:
  • fuel for automobiles
  • domestic fuel
  • energy to produce electricity
  • None of these
Which of the following constituents of coal is the most important in the production of coke?
  • Ash
  • Moistures
  • Carbon
  • All of these
Which type of coke is considered as pure coke?
  • The coke which contain less quantity of carbon
  • The coke which contain less quantity of sulphur
  • The coke which contain less quantity of ash
  • Both b and c
Fossil fuels are the _____________________.
  • dead remain of the living organism
  • coal mines
  • carbon black
  • living organism
Identify the different types of coke.
  • Honeycomb coke
  • Needle coke
  • Sponge coke
  • All of these
Which gas is obtained during the processing of coal?
  • Carbon dioxide
  • Coal gas
  • Sulphur dioxide
  • Carbon monoxide
Coal tar has: 
  • an unpleasant smell
  • a pleasant smell
  • no smell
  • none of these
What is the water quantity in the coke at the end of the coking process?
  • 10%
  • 20%
  • 0%
  • None of these
Which coal is the generally the primary source of coke production?
  • Leguminous coal
  • Bituminous coal
  • Black coal
  • All of these
Coal is the limited natural resources which on processing produces __________.  
  • coal tar
  • coke
  • coal gas
  • all of these
Low temperature carbonisation __________.
  • is mainly for production of smoke full coke
  • is mainly for producing smokeless domestic coke
  • is producing less quantity tar
  • is meant for the production of metallurgical coke
The layer containing petroleum and gas is:
  • above that of water
  • below water
  • between water and sand
  • below sand
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