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Chemistry

Chemistry
Which among the following is pure matter ?

Brass
Iron
Carbon–dioxide
Air

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Chemistry
During fermentation of sugar, the compound which is always formed is :

Methyl Alcohol
Ethylene
Ethyl Alcohol
Acetic Acid

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Chemistry
The graphite rods in the nuclear reactor

undergo combustion which triggers the nuclear fission
react with U to release energy
convert fast moving neutrons into thermal neutrons
produce neutrons

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Chemistry
The acid used in lead storage cells is

Sulphuric acid
Hydrochloric acid
Phosphoric acid
Nitric acid

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Chemistry
Bleaching action of moist sulphur di-oxide is because of its

Basic property
Acidic property
Oxidising property
Reducing property

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Chemistry
Carbon footprint can be reduced by

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

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MORE MCQ ON Chemistry

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