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Chemistry

Chemistry
The most abundant rare gas in the atmosphere is

Ne
Ar
Xe
He

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Chemistry
Which one is the lightest element in the periodic table

Carbon
Helium
Hydrogen
Oxygen

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Chemistry
The elements with atomic numbers 9, 17, 35, 53, 85 are all

Heavy metals
Noble gases
Light metals
Halogens

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Chemistry
Tear gas is :

Chloroprene
Nitrous oxide
Carbonyl chloride
Bleaching powder

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Chemistry
The least preferred technique in the disposal of Municipal Solid Waste is

Incineration
Land filling
Composting
Bricketting

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Chemistry
Silver nitrate solution is kept in brown bottles in laboratory because

Brown bottles stops the passage of light through it
It reacts with ordinary white bottles
Brown bottles react with it
Brown bottles do not react with it

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MORE MCQ ON Chemistry

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