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Chemistry

Chemistry
Which of the following is an antidiabatic drug?

Chloroquine
Penicillin
Aspirin
Insulin

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Chemistry
The working of a dry cell is based on

Combination reaction
Electrolysis
Decomposition reaction
Spontaneous oxidation-reduction reaction

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Chemistry
Which among the following is pure matter ?

Iron
Brass
Air
Carbon–dioxide

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Chemistry
German silver, an alloy, does not contain the metal

Zinc
Copper
Silver
Nickel

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Chemistry
Which of the following is biodegradable ?

Plastic
Paper
Aluminium
D.T.

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Chemistry
Maximum permissible concentration of total hardness in drinking water is

500
200
100
50

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MORE MCQ ON Chemistry

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