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Chemistry

Chemistry
The most common cause of pollution of air is

Smoke
Carbon dioxide
Sulphur dioxide
Carbon monoxide

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Chemistry
If lime water is kept in the air, it turns milky due to presence of :

Sulphurdioxide
Oxygen
Nitrogen
Carbondioxide

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Chemistry
'Bhopal gas tragedy' 1984 is related to which gas

Methyl isocyanate
Carbon dioxide
Methyl bromide
Aluminium Phosphide

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Chemistry
Who developed the model of atomic structure ?

Faraday
Bohr and Rutherford
Alfred Nobel
Volta

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Chemistry
Milk tastes sour when it is left in open for some time. This happens due to the formation of

Acetic acid
Carbonic acid
Citric acid
Lactic acid

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Chemistry
An electrochemical cell which is used as a source of direct electrical current at constant voltage under standard conditions is called a :

Power transmittor
Battery
Generator
Uninterrupted power supply (UPS)

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