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Chemistry

Chemistry
Which of the following is the maximum number of electrons that can be present in M-shell?

8
32
2
18

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Chemistry
Phosphorus is kept in water because

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

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Chemistry
Which one is not a pure form of carbon

Gold
Coal
Diamond
Graphite

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Chemistry
Soap is prepared by boiling caustic soda with

Kerosene oil
Glycerine
Fats
Alcohol

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Chemistry
Normal rainwater is slightly acidic due to the presence of

Carbon dioxide
Methane
Sulphur dioxide
None of these

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Chemistry
A fertile soil is likely to have a pH of

43989
9
14
3

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