General Knowledge MCQ - English
The variety of coal in which the deposit contains recognisable traces of the ori
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The variety of coal in which the deposit contains recognisable traces of the original plant material is
bitumen
anthracite
lignite
peat
Answer : D
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1) Bell metal is an alloy of
2) Potassium Permanganate is used for purifying drinking water, because
it is a sterilising agent
it dissolves the impurities of water
it is a reducing agent
it is an oxidising agent
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3) In an atomic explosion, enormous energy is released which is due to
conversion of chemical energy into heat energy
conversion of mechanical energy into nuclear energy
conversion of mass into energy
conversion of neutrons into protons
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4) Which of the following shows the masses of the three elementary particles in decreasing order?
Leptons, Baryons, Mesons
Mesons, Baryons, Leptons
Baryons, Mesons, Leptons
Leptons, Mesons Baryons
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5) Sodium metal is kept under
