CBSE Questions for Class 8 Chemistry Coal And Petroleum Quiz 10 - MCQExams.com

Fractional distillation is the process of separation of:
  • two miscible liquids
  • two immiscible liquids
  • Both A and B
  • None of these
A form of matter has no fixed shape but has a fixed volume. An example of this form of matter is:
  • Krypton
  • Kerosene
  • Carbon steel
  • Carbon dioxide
The inorganic origin of petroleum is indicated by the fact that
  • Its constituents can be separated by fractional distillation
  • Carbon and hydrocarbon can combine by absorption of solar energy to give hydrocarbons
  • Petroleum contains traces of chlorophyll
  • Oil fields are located with the help of seismograph
Various materials which are obtained from nature are called natural resources. Which of the following is not a natural resources
  • minerals
  • soil
  • water
  • plastic
Coal tar is main source of
  • Aromatic compounds
  • Aliphatic compounds
  • Cycloalkanes
  • Heterocyclic compounds
Mark the right statement about coal: 
  • Coal was formed from dead remains of trees and plants buried deep beneath the earth's surface.
  • Coal is an exhaustible natural resource.
  • Coal is a fossil fuel.
  • All of these.
Coal is processed in industries to get some useful products. Which of the following is not obtained from coal?
  • Coke
  • Coal gas
  • Coal tar
  • CNG
Petroleum was formed from organisms:

  • living on the land
  • living in the sea
  • Both A and B
  • None of these
Choose the correct statement from the following:
  • It is difficult to transport natural gas through pipes.
  • The disadvantage of natural gas is that it cannot be used directly for burning in homes.
  • Natural gas is stored under high pressure as compressed natural gas.
  • Natural gas cannot be used for power generation.
Fossil fuels
  • are man-made and produced in factories.
  • take only few hours to form.
  • are obtained from non-living things.
  • are obtained from dead remains of living organisms.
Which of the following is not a constituent of petroleum
  • Paraffin wax
  • Petrol
  • Lubricating oil
  • Coke
Write True/False against the following statements.
Resources that are present in unlimited quantity in nature are called exhaustible natural resources.
  • True
  • False
Write True/False against the following statements.
Under high temperature and pressure, dead plants get slowly converted to coal.
  • True
  • False
Write True/False against the following statements.

CNG is less polluting fuel than petrol and diesel.
  • True
  • False
Write True/False against the following statements.
Oxygen in the air is an exhaustible natural resource.
  • True
  • False
The process by which decayed plants slowly convert into coal is called____
  • petrification
  • carbonisation
  • carbonification
  • fermentation
Coal is a non-renewable source of energy because_____________
  • coal is replenished soon in nature
  • coal is abundant in nature
  • the reserve of coal are depleting at a faster rate and it is difficult to replenish
  • coal leaves residue when burnt
State True or False:

Coke is almost pure form of carbon.
  • True
  • False
The term 'Hexadecene' in petroleum is commonly called as:
  • Octane
  • Petro
  • Cetane
  • LPG
State whether the statement is true or false. Rewrite the false statement correctly.

$$LPG$$ does not contain methane since it cannot be easily compressed.
  • True
  • False
Natural gas occurs:
  • above the petroleum oil
  • below the petroleum oil
  • above sea level
  • None of these
Carbonisation is the process in which dead plants and vegetation is converted slowly into coal.
  • True
  • False
Compared to oil, an advantage of using natural gas is that it:
  • prevents respiratory problems
  • prevents headaches
  • causes less air pollution
  • prevents over combustion
Which component of petroleum has a boiling point greater then $$350^{\circ}C$$?
  • Kerosene oil
  • Lubricating oil
  • Diesel oil
  • Petroleum gas
Which of the following is a fossil fuel?
  • Petroleum
  • Wood
  • Cow dung
  • Dry leaves
Which property of coke makes it useful in the manufacture of steel?
  • It generates intense heat but little smoke
  • It used as reducing agent
  • Both A and B
  • None of these
What are the objectives of petroleum conservation research association?
  • To create awareness among masses about the importance, benefits, and methods of conserving petroleum products & a clean environment by enhancing information and capacity building.
  • To provide training and technical advisory services, designed to achieve economic & efficiency in the use of petroleum products for a cleaner environment.
  • To function as a Think Tank to the Govt. of India for proposing policies and strategies on petroleum conservation and environment protection aimed at reducing excessive dependence on oil
  • All of these.
Assertion: Fuel oil is better than coal for use in industries.
Reason: It has a high calorific value than coal and does not leave smoke or ash on burning.
  • Both Assertion and Reason are true. Reason is the correct explanation of Assertion.
  • Both Assertion and Reason are true. Reason is not the correct explanation of Assertion.
  • Assertion is true and Reason is false
  • Both Assertion and Reason are false.
When an oil well is drilled through rocks, what comes out first?
  • Petroleum
  • Natural gas
  • Crude oil
  • Residual oil
Which of the following constituents of petroleum is used as a solvent for dry cleaning?
  • L.P.G.
  • Petrol
  • Lubricating oil
  • Paraffin wax
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