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Chemistry

Chemistry
In ice, the number of hydrogen bonds per water molecule is

1
8
2
4

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Chemistry
The constituents of automobile exhaust that can cause cancer is/are :

Lead
Carbon monoxide
Polycyclic hydrocarbons
Oxides of nitrogen

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Chemistry
The process of improving the quality of rubber by heating it with sulphur is called.

Sulphonation
Acceleration
Vulcanization
Galvanization

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Chemistry
The function of skimming tank in sewage treatment is to remove

Oil and fatty substances
Gritty substances
Suspended solids
Inorganic substances

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Chemistry
Which of the following is not a derivative of barbituric acid

Equanil
Veronal
Nembutal
Amytal

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Chemistry
Which one is a soluble salt in H2O

CaCl2
CuS
PbCl2
Zn(OH)2

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MORE MCQ ON Chemistry

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