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Chemistry

Chemistry
The oil used in the froth floatation process is

kerosene oil
olive oil
coconut oil
pine oil

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Chemistry
Diamonds are glittering and attractive because light incident on them undergoes

Multiple surface reflections
Highest refraction
Hundred percent transmission
Multiple internal reflections

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Chemistry
The mass number of an atom is equal to

the number of protons
the number of neutrons
the number of protons and electrons
the number of nucleons

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Chemistry
The graphite rods in the nuclear reactor

produce neutrons
convert fast moving neutrons into thermal neutrons
react with U to release energy
undergo combustion which triggers the nuclear fission

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Chemistry
Which of the following is not a donor atom?

Arsenic
Aluminium
Phosphorus
Antimony

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Chemistry
Entropy of Universe is always

Zero
Increasing
Decreasing
Constant

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MORE MCQ ON Chemistry

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