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Chemistry

Chemistry
How many neutrons does iron have

8
13
30
26

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Chemistry
The coating of a thin layer of zinc on steel or iron objects is known as

Electroplating
Tinning
Hot dipping
Galvanising

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Chemistry
Phosphorus is kept in water because

Its ignition temperature is very low
Its critical temperature is high
Its critical temperature is low
Its ignition temperature is very high

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Chemistry
Alcohol prepared by the distillation of wood is :

Ethyl alcohol
Propyl alcohol
Glycerol
Methyl alcohol

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Chemistry
The chemical bahaviour of an atom depends upon

The number of nucleons in the nucleus
The number of electrons orbiting around the nucleus
The number of neutrons in the nucleus
The number of protons in its nucleus

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Chemistry
A thick paste of cement, sand and water is called

Kiln
R.C.C.
Concrete
Mortar

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MORE MCQ ON Chemistry

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