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Chemistry

Chemistry
How many neutrons does iron have

13
30
8
26

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Chemistry
The main buffer system of the human blood is

H2CO3 - CO32-
H2CO3 - HCO3
CH3COOH - CH3COO-
NH2CONH2 - NH2CONH+

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Chemistry
Which of the following is not a donor atom?

Antimony
Aluminium
Arsenic
Phosphorus

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Chemistry
Aqueous solution of which of the following is a good conductor of electricity

Acetic acid
Ammonium acetate
Ammonia
Glucose

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Chemistry
The acid rain destroys vegetations because it contains

Nitric acid
Carbon monoxide
Ozone
Sulphuric acid

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Chemistry
If water smells bad, then that odour can be removed by adding

Activated carbon
Alum
Bleach
Deactivated nitrogen

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MORE MCQ ON Chemistry

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