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Chemistry

Chemistry
In deep-sea diving, divers use a mixture of gases consisting of oxygen and

Hydrogen
Helium
Argon
Nitrogen

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Chemistry
Which of the following type of coal has the lowest proportion of volatile matter ?

Bituminous
Peat
Anthracite
Lignite

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Chemistry
One property of ammonia is

It is insoluble in water
It is a odourless gas
Its aqueous solution turns red litmus blue
It is a yellowish gas

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Chemistry
Which one of the following species has the highest bond order, shortest bond length and maximum bond strength

O+2
O2
O-2
O-22

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Chemistry
The gas causing acid rain in an industrial area is

Carbon dioxide
Sulphur dioxide
Methane
Carbon monoxide

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Chemistry
Chemical properties of isotopes

Need not be different
Must be same
Must be different
Need not be same

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MORE MCQ ON Chemistry

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