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Chemistry

Chemistry
Lead in water can cause

Eye disease
Arthritis
Kidney damage
Hair falling

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Chemistry
Fertiliser having high nitrogen content is :

Urea
Ammonium nitrate
Ammonium sulphate
Calcium citrate

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Chemistry
What is the maximum Water Vapour content in the atmosphere?

4 to 5 per cent
2 to 3 per cent
5 to 6 per cent
3 to 4 per cent

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Chemistry
The octane number of zero is assigned to

n-heptane
2-methyl octane
3-methyl octane
iso-octane

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Chemistry
Water gas is the combination of

CO2and H2
CO and H2
CO2 and CO
CO and H2O

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Chemistry
Cement is made hard with

Dehydration
Hydration and dissociation of water
Dissociation of water
Polymerisation

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MORE MCQ ON Chemistry

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