CBSE Questions for Class 8 Chemistry Coal And Petroleum Quiz 9 - MCQExams.com

Which of the following is the best to be used as fuel?
  • Oil
  • Wood
  • Coal
  • Natural gas
Which of the following petroleum product is used for dry cleaning?
  • Grease
  • Kerosene
  • Diesel
  • Petrol
Which of the following is used as fuel in an electric generator?
  • Petrol
  • Diesel
  • Kerosene
  • CNG
Which of the following is renewable resource of fuel?
  • Trees
  • Fossil fuel
  • Coal
  • Gasoline
Air is a natural resource and cannot be exhausted by human activities. It is known as an inexhaustible natural resource. Which of the following is another inexhaustible natural resource?
  • Coal
  • Petroleum
  • Sunlight
  • Mineral
Deforestation:
  • increases pollution
  • decreases pollution
  • does not affect pollution
  • None of the above
Advantage of use of natural gas as fuel is:
  • it is dangerous in case of irresponsible use
  • it causes less air pollution
  • natural gas has a long processing process
  • relatively expensive storage
Read the following statement and mark the correct option.
Statement 1 : Coal and petroleum are called fossil fuels.
Statement 2 : Fossil fuels are non-renewable sources of energy.
  • Both statements 1 and 2 are true and statement 2 is the correct explanation of statement 1.
  • Both statements 1 and 2 are true and statement 2 is the not correct explanation of statement 1.
  • Statement 1 is true and statement 2 is false.
  • Both statements 1 and 2 are false.
Natural gas is found as:
  • layer above hot-beds
  • layer below petroleum oil deep underground
  • layer above petroleum oil deep underground
  • layer below the glacier
Choose the odd one out from the following and give reason for your choice.
  • Firewood
  • Charcoal
  • Coal
  • Petrol
Which component, obtained from the refining of petroleum, is used as a solvent in petrochemicals.
  • Tar
  • Kerosene
  • Naphthalene
  • Petroleum coal
Dyes are used for coloring various materials like cloth and plastic. Starting material for dyes are obtained from:
  • asphalt
  • coal tar
  • baking ovens
  • zinc
Coal tar is the main source of:
  • aromatic compounds
  • alicyclic compounds
  • aliphatic compounds
  • nitro compounds
Coal, petroleum, natural gas, and propane are fossil fuels. They are called fossil fuels because ________.
  • They are burnt to release energy and they cause air pollution
  • They were formed from the buried remains of plants and tiny animals that lived hundreds of millions of years ago
  • They are nonrenewable and will run out
  • They are mixed with fossils to provide energy
What of the following is/are called fossil fuel(s)?
  • Mineral coal
  • Petroleum
  • Natural gas
  • All of these
 Now-a-days coal is majorly used as a source of?
  • Light
  • Heat
  • Electricity
  • Steam
Which petroleum product is used for surfacing of roads?
  • Paraffin wax
  • Lubricating oils
  • Bitumen
  • Coal tar
Identify the chemical which is used to detect leakage of LPG ;
  • Methyl mercaptan
  • Propyl mercaptan
  • Ethyl mercaptan
  • n-butyl mercaptan
Find the odd one out from the following according to the presence of methane.
  • LPG
  • LNG
  • CNG
  • Biogas
Butane gas is used for filling cylinders to be used as LPG because
  • It is easily available
  • It is easily compressed into a liquid and stored in cylinders
  • It is stored in gaseous state only in the cylinder
  • It is the cheapest gas available.
The gas supplied in the cylinder for cooking is:
  • marsh gas
  • LPG
  • mixture of $$ CH_{4}$$and $$C_{2}H_{6} $$
  • mixture of ethane and propene
Natural gas consists majority of lower hydrocarbons.
  • True
  • False
Fossil fuels are burnt to _________
  • run vehicles
  • heat homes and offices
  • form smog and acid rain
  • all of the above
Which one is the best fuel?
  • Wood
  • Coal
  • Kerosene
  • $$LPG$$
LPG is obtained from?
  • Lubricating oil
  • Kerosene
  • Petroleum
  • Bitumen
Which of the following are produced from coal tar?
  • Synthetic dyes
  • Drugs
  • Perfumes
  • All the three
Which of the following is the most abundant individual substance obtained from coal-tar?
  • Benzene
  • Naphthalene
  • Diphenyl
  • Kerosene oil
A petroleum fraction having boiling range $$70-200^{\circ}C$$ and containing $$6-10$$ carbon atoms per molecule is called: 
  • natural gas
  • gas oil
  • gasoline
  • kerosene
Coal gas is a mixture of:
  • $$CH_4,CO$$ and $$H_2$$
  • $$H_2$$ saturated and unsaturated hydrocarbons, $$CO, CO_2, N_2$$ and $$O_2$$
  • saturated and unsaturated hydrocarbons
  • $$CO, CO_2$$ and $$CH_4$$
Which of the following is obtained at lowest temperature by fractional distillation of petroleum?
  • Kerosene
  • Diesel oil
  • Gasoline
  • Heavy oil
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