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Chemistry

Chemistry
Select the one which is not a mixture :

Gasoline
LPG
Distilled water
Air

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Chemistry
Galvanised iron is made by coating iron with

Chromium
Zinc
Nickel
Sulphur

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Chemistry
Brine refers to :

Sweet water
Salt water
Starch water
Pure water

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Chemistry
Carbon footprint can be reduced by

Using energy efficient appliances
Recycling waste materials
All of these
Commuting by public transport

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Chemistry
The most abundant element in the earth’s atmosphere is

Krypton
Argon
Nitrogen
Oxygen

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Chemistry
The percentage of nitrogen present in ammonium sulphate is :

0.18
0.25
0.27
0.305

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MORE MCQ ON Chemistry

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