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Chemistry

Chemistry
The most abundant inert gas in the atmosphere is

Argon
Neon
Helium
Krypton

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Chemistry
Which of the following metals is not a pollutant ?

Arsenic
Mercury
Aluminium
Lead

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Chemistry
The non-metal found in the liquid state is

Chlorine
Nitrogen
Fluorine
Bromine

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Chemistry
The nucleus of an atom consists of

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

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Chemistry
Nitrogen is an essential constituent of all :

Fats
Vitamins
Carbohydrates
Proteins

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Chemistry
Polythene is polymer of

Acetylene
Ethylene
Propylene
Aniline

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MORE MCQ ON Chemistry

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