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Chemistry

Chemistry
How many neutrons does iron have

26
30
13
8

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Chemistry
Which one of the following is a micro-element ?

Hydrogen
Chlorine
Oxygen
Nitrogen

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Chemistry
Saccharin is made up of

Toluene
Phenol
Propane
Butane

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Chemistry
If lime water is kept in the air, it turns milky due to presence of :

Carbondioxide
Sulphurdioxide
Oxygen
Nitrogen

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Chemistry
Gas released during Bhopal tragedy was :

Potassium isothiocyanate
Methyl isothiocyanate
Sodium isothiocyanate
Ethyl isothiocyanate

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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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MORE MCQ ON Chemistry

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