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General Awareness Practice Questions Set 16
For India's Top Government Exams
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The graphite rods in the nuclear reactor
*
1 point
react with U to release energy
produce neutrons
undergo combustion which triggers the nuclear fission
convert fast-moving neutrons into thermal neutrons
The number of electrons present in H⁺ is
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1 point
zero
one
two
three
The gas used in the manufacture of vanaspati from vegetable oil is
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1 point
hydrogen
oxygen
nitrogen
carbon dioxide
The main chemical constituent of clay is
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1 point
silicon oxide
aluminium borosilicate
zeolites
aluminium silicate
The mass number of an atom is equal to
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1 point
the number of protons
the number of protons and electrons
the number of nucleons
the number of neutrons
The mineral containing both magnesium and calcium is
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1 point
magnesite
calcite
carnallite
dolomite
The method that cannot be used for removing the permanent hardness of water is
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1 point
adding sodium carbonate
distillation
adding caustic soda
boiling
The material which can be deformed permanently by heat and pressure is called a
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1 point
thermoplastic
thermoset
chemical compound
polymer
The luster of a metal is due to
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1 point
its high density
its high polishing
its chemical inertness
presence of free electrons
The metal that is used as a catalyst in the hydrogenation of oils is
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1 point
Ni
Pb
Cu
Pt
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