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Chemistry

Chemistry
The natural resource, known as black gold is

Tin
Lead
Platinum
Coal

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Chemistry
The chemical name of 'laughing gas' is

Nitrogen pentoxide
Nitric oxide
Nitrogen dioxide
Nitrous oxide

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Chemistry
Equal masses of oxygen, hydrogen and methane are kept under identical conditions. The ratio of the volumes of gases will be

2 : 16 : 1
1 : 1 : 1
2 : 16 : 2
1 : 16 : 2

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Chemistry
A subshell with l=2 can take up

3 electron
8 electron
10 electron
5 electron

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Chemistry
The property of hydrogen which distinguishes it from alkali metals is

Its non-metallic character
Its reducing character
Its electropositive character
Its affinity for non-metal

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Chemistry
Gelatin is mostly used in making ice–creams in order to

Stabilise mixture
Stabilise the colloid and prevent crystallisation
Enrich the aroma
Prevent making a colloid

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MORE MCQ ON Chemistry

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