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Chemistry

Chemistry
The most abundant element in the human body is

Oxygen
Iron
Nitrogen
Carbon

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Chemistry
Galvanised iron is made by coating iron with

Nickel
Zinc
Sulphur
Chromium

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Chemistry
Which one of the following is used as a sowing agent in the preparation of soft drinks?

Boric acid
Salicylic acid
Phosphorus acid
Phosphoric acid

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Chemistry
London smog is found in

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

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Chemistry
Alcoholic (– OH) group can be identified by :

Esterification Test
Ozonolysis Reaction
Tollen's Reagent Test
FeCl3Test

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Chemistry
The term 'brown air' is used for

Industrial smog
Sulphurous smog
Photochemical smog
Acid fumes

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MORE MCQ ON Chemistry

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