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Chemistry

Chemistry
The most abundant element is

Nitrogen
Calcium
Oxygen
Silicon

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Chemistry
Lead in water can cause

Hair falling
Kidney damage
Arthritis
Eye disease

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Chemistry
The common refrigerant in domestic refrigerator is

Nitrogen
Neon
Oxygen
Freon

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Chemistry
Coal is formed from

Coke
Compressed and hardened biomass
Deposit of animal waste
Crude oil

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Chemistry
Which one among the following is not a mixture?

Brass
Steel
Graphite
Glass

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Chemistry
The most suitable unit for expressing nuclear radius is :

Angstrom
Fermi
Micron
Nanometre

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MORE MCQ ON Chemistry

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