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Chemistry

Chemistry
Total number of naturally occurring elements

62
92
98
110

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Chemistry
An example of major air pollutant is

Helium
Oxygen
Carbon monoxide
Carbon dioxide

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Chemistry
London smog is found in

Winter during day time
Winter during morning time
Summer during morning time
Summer during day time

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Chemistry
Which acid is used in Lead storage battery?

Nitric acid
Hydrochloric acid
Acetic acid
Sulphuric acid

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Chemistry
Among the following, which is always found in free-state in nature?

Sodium
Silver
Copper
Gold

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Chemistry
Which of the following methods is used in determining the number average molar mass of a macromolecule

Light scattering
Sedimentation equilibrium
Viscosity
Osmotic pressure

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MORE MCQ ON Chemistry

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