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Chemistry

Chemistry
The most abundant element is

Calcium
Silicon
Nitrogen
Oxygen

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Chemistry
The nucleus of an atom consists of

electrons and protons
electrons and neutrons
protons and neutrons
All of these

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Chemistry
When a lead storage battery is discharged,

Lead sulphate is consumed
Lead is formed
Sulphuric acid is consumed
SO2 is evolved

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Chemistry
White phosphorus is always kept under

Benzene
Kerosene
Ether
Water

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Chemistry
The gas liberated in the Bhopal gas tragedy was:

Ethylene
Pheynl isocynate
Acetylene
Methyl isocynate

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Chemistry
The chemical name of ‘Common salt’ is

Ammonium chloride
Sodium nitrate
Calcium chloride
Sodium chloride

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MORE MCQ ON Chemistry

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