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Chemistry

Chemistry
Neoprene is a polymer of

Chloroprene
Isopentane
Isobutane
Isoprene

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Chemistry
When water itself combines chemically with some element or mineral it is called

Hydration
Oxidation
Carbonation
Desilication

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Chemistry
Which of the following is used as a preservative to protect processed food?

Saccharin
BHT
Sodium metabisulphite
Sodium sulphate

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Chemistry
Helium is added to the oxygen supply of deep sea divers because it is

Less poisonous than nitrogen
Readily miscible with oxygen
Lighter than nitrogen
Less soluble in blood than nitrogen at high pressure

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Chemistry
Ultra purification of a metal is done by :

Leaching
Slugging
Zone melting
Smelting

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Chemistry
Which is the heaviest metal among the following?

Copper
Iron
Gold
Silver

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MORE MCQ ON Chemistry

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