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Chemistry

Chemistry
How many atoms of oxygen are in a glucose molecule

6
3
4
10

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Chemistry
Milk tastes sour when kept in the open for sometime due to the formation of

Lactic acid
Citric acid
Acetic acid
Carbonic acid

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Chemistry
What is the atomic number of mercury

80
41
32
63

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Chemistry
In vulcanisation process, rubber can be hardened by adding

Silicon
Sulphur
Alcohol
Nitrogen

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Chemistry
Which of the following is an antidiabatic drug?

Insulin
Penicillin
Chloroquine
Aspirin

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Chemistry
The most abundant element by number in the living system is :

Carbon
Nitrogen
Hydrogen
Oxygen

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