Class 8 Coal And Petroleum CBSE Questions & Answers

Class 8 · Coal And Petroleum

This is Science Class 8 Coal and Petroleum CBSE Questions & Answers. There are 15 questions in this test with each question having around four answer choices.

Questions & Answers

1
Coke is obtained from :
  • A
    destructive distillation of coal
    Correct
  • B
    destructive distillation of petroleum
  • C
    refining of coal
  • D
    refining of petroleum
2
Natural gas is a _____ resource :
  • A
    living
  • B
    non renewable
    Correct
  • C
    renewable
  • D
    all the above
3
Gaseous mixture containing more volatile components of petroleum is called :
  • A
    natural gas
    Correct
  • B
    biogas
  • C
    coal gas
  • D
    water gas
4
Fossil fuels are :
  • A
    formed artificially
  • B
    formed naturally
    Correct
  • C
    non combustible
  • D
    renewable resource
5
A thick black liquid formed by heating coal in the absence of air :
  • A
    Coke
  • B
    Charcoal
  • C
    Coal tar
    Correct
  • D
    Petroleum
6
Coal is classified according to :
  • A
    layer of earth surface it is found
  • B
    its carbon content
    Correct
  • C
    its non carbon content
  • D
    time taken in its formation
7
Such resources which can be continually replenished are called :
  • A
    exhaustible resources
  • B
    non replenishable resources
  • C
    inexhaustible resources
    Correct
  • D
    natural resources
8
What is absent in coal ?
  • A
    Nitrogen
  • B
    Oxygen
  • C
    Sulphur
  • D
    Phosphorus
    Correct
9
Coal type that contains lowest amount of carbon is :
  • A
    lignite
    Correct
  • B
    anthracite
  • C
    bituminous
  • D
    lanthanide
10
Conversion of dead trees and other plants into coal is called :
  • A
    Carbonisation
    Correct
  • B
    decarbonisation
  • C
    destructive distillation
  • D
    refining
11
Coke contains approximately _____ carbon.
  • A
    99 percent
  • B
    90 percent
  • C
    98 percent
    Correct
  • D
    95 percent
12
Coal and petroleum can be categorised as :
  • A
    limitless natural resources
  • B
    living natural resources
  • C
    non living natural resources
    Correct
  • D
    replenishable natural resource
13
Type of coal that can serve as good heating fuel for domestic purpose is :
  • A
    lignite
  • B
    anthracite
    Correct
  • C
    bituminous
  • D
    bauxite
14
Coal was formed during :
  • A
    Devonian period
  • B
    Carboniferous period
    Correct
  • C
    Silurian period
  • D
    Carbonian period
15
The youngest form of coal is :
  • A
    anthracite
  • B
    peat
    Correct
  • C
    lignite
  • D
    litter