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Chemistry

Chemistry
The depletion of ozone layer is due to

Sulphur dioxide
Ethane
Chloro fluoro carbon
Carbon dioxide

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Chemistry
Which of the following is an antidiabatic drug?

Penicillin
Insulin
Aspirin
Chloroquine

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Chemistry
Activated Charcoal is used to remove colouring matter from pure substances by

Oxidation
Reduction
Adsorption
Bleaching

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Chemistry
Which gas does not form the part of atmosphere ?

None of these
Nitrogen
Chlorine
Helium

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Chemistry
The heat required to raise the temperature of body by 1 K is called

None of these
thermal capacity
water equivalent
specific heat

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Chemistry
Which of the following is not an addition polymer

Nylon
PVC
Polystyrene
Polythene

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