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Chemistry

Chemistry
The atmospheric gas that is mainly responsible for Green House effect :

Ozone
Oxygen
Carbondioxide
Nitrogen

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Chemistry
Sulphur dioxide bleaches colouring matter by :

Oxidation
Dehydration
Reduction
Decomposition

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Chemistry
Inert gases are

Chemically unreactive
Miscible with water
Not stable
Chemically very active

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Chemistry
Which of the following elements is not present in stainless steel?

Chromium
Tungsten
Nickel
Iron

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Chemistry
Ultraviolet radiation striking the earth is due to the depletion of

Carbon monoxide
Ozone
Oxygen
Carbon dioxide

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Chemistry
Air is said to be saturated when :

It contains maximum content of water vapour
Its thickness is maximum
It blows over the barren land
Its pressure is minimum

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