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Chemistry

Chemistry
A subshell with l=2 can take up

8 electron
10 electron
3 electron
5 electron

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Chemistry
Aluminium can be purified by

Oxidation
Distillation
Electrolysis
Ozonolysis

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Chemistry
Tear gas is :

Nitrous oxide
Chloroprene
Bleaching powder
Carbonyl chloride

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Chemistry
Which of the following is not a noble gas ?

Helium
Argon
Neon
Hydrogen

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Chemistry
Silver halides are used in photographic plates because they are

Soluble in hyposolution
Totally colourless
Oxidised in air
Reduced by light

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Chemistry
Carbon monoxide is an inflammable gas. Which one of the following is also inflammable?

Helium
Hydrogen
Oxygen
Nitrogen

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