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Chemistry

Chemistry
Earth’s atmosphere is an envelope of gases extending to a height of

200 km
300 km
150 km
100 km

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Chemistry
Which of the following is very reactive and kept in kerosene?

Iodine
Potassium
Sodium
Bromine

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Chemistry
Which one of the following acids is used in battery ?

Hydrochloric acid
Sulphurous acid
Hydrofluoric acid
Sulphuric acid

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Chemistry
Which of the following acids serves as an electrolyte in a lead storage battery?

Nitric acid
Sulphuric acid
Hydrochloric acid
Lactic acid

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Chemistry
The chemical that is used to ripen mangoes is

Calcium carbide
Calcium chloride
Calcium carbonate
Calcium sulphide

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Chemistry
The maximum number of isomers for an alkene with molecular formula C4H8 is

3
4
5
2

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MORE MCQ ON Chemistry

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