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Chemistry

Chemistry
Which amidst the following is not a gem stone ?

Pearl
Opal
Topaz
Cat's-eye

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Chemistry
Find the odd one:

Marble
Chalk
Slaked lime
Limestone

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Chemistry
How many electrons can be accommodated in d-orbital

6
10
8
3

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Chemistry
The name of unreactive gas is

Nitrogen
Oxygen
Carbon dioxide
Hydrogen

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Chemistry
Laughing gas is

Nitric oxide
Nitrogen pentoxide
Nitrogen trioxide
Nitrous oxide

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Chemistry
White phosphorus is generally kept under

Alcohol
Water
Kerosene oil
Glycerine

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MORE MCQ ON Chemistry

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