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Chemistry

Chemistry
Alcohol prepared by the distillation of wood is :

Propyl alcohol
Ethyl alcohol
Glycerol
Methyl alcohol

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Chemistry
The chief constituent of natural gas is:

Methane
Nitrogen
Propane
Helium

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Chemistry
The number of moles of solute present in 1 kg of a solvent is called its

molarity
molality
formality
normality

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Chemistry
The common refrigerant in domestic refrigerator is

Neon
Nitrogen
Oxygen
Freon

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Chemistry
Spontaneous change is one in there is:

A lowering of entropy
An increase in Internal energy
A lowering of free energy
Increase in free energy

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Chemistry
The most abundant inert gas in the atmosphere is

Helium
Neon
Krypton
Argon

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