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Chemistry

Chemistry
The hydronium ion is

H2+
HO -
H+
H3O+

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Chemistry
Select the one which is not a mixture :

Distilled water
Air
Gasoline
LPG

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Chemistry
Which of the following is colourless ?

Sulphur
Chlorine
Phosphorus
Oxygen

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Chemistry
In vulcanisation process, rubber can be hardened by adding

Alcohol
Nitrogen
Sulphur
Silicon

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Chemistry
Stainless steel is an alloy of

Carbon and iron
Chromium, carbon and iron
Chromium and iron
Chromium and carbon

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Chemistry
If we burn graphite,

No residue will be left
It will not burn
It will change into diamond
Residue will be left

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