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Chemistry

Chemistry
Of the following, which one pollutes the air of a big city ?

Copper
Chromium
Lead
Cadmium

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Chemistry
Which of the following phenomenon is considered responsible for Global Warming?

Dry farming
Trade winds
Greenhouse effect
Fire in coal mines

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Chemistry
Which one of the following is not present in cement ?

Alum
Gypsum
Clay
Alumina

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Chemistry
Which of the following is chiefly present in LPG (Liquefied Petroleum Gas) ?

Butane
Propane
Ethane
Methane

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Chemistry
The acid which fails to liberate carbon dioxide from sodium bicarbonate is :

Carbonic acid
Sulphuric acid
Acetic acid
Formic acid

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Chemistry
In deep-sea diving, divers use a mixture of gases consisting of oxygen and

Helium
Nitrogen
Argon
Hydrogen

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MORE MCQ ON Chemistry

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