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Chemistry

Chemistry
Which of the following metals has least melting point ?

Copper
Gold
Silver
Mercury

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Chemistry
Which colour is produce by Arsenic during flame test

Crimson
Blue
Red
Green

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Chemistry
The absolute temperature of a gas is doubled and the pressure is reduced to half, the volume of the gas

Will be doubled
Will be reduced to half
Will increase four-fold
Remains unchanged

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Chemistry
The most abundant constituent of atmospheric air is :

Carbon
Hydrogen
Oxygen
Nitrogen

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Chemistry
Milk is

Suspension
Emulsion
Gel
Foam

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Chemistry
Baking soda is :

Sodium hydroxide
Potassium carbonate
Sodium bicarbonate
Sodium carbonate

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MORE MCQ ON Chemistry

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