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Chemistry

Chemistry
Number of neutrons in an atom of hydrogen is

Three
Zero
One
Two

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Chemistry
Stalactites and Stalagmites form due to the precipitation of :

CaCO3
CaCl2
MgCl2
MgCO3

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Chemistry
The main source of Naphthalene is

Coal-tar
Diesel
Charcoal
Camphor

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Chemistry
Which one of the following is used to restore the colour of old oilpaintings ?

Hydrogen peroxide
Ozone
Barium peroxide
Sodium peroxide

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Chemistry
Non-stick kitchenwares are coated with

Teflon
PVC
Graphite
Silicon

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Chemistry
Sour taste of ‘Coca Cola’ is due to the presence of

Hydrochloric acid
Phosphoric acid
Formic acid
Acetic acid

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MORE MCQ ON Chemistry

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