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Chemistry

Chemistry
Nucleus of an atom consists of.

Proton and Neutron
Proton
Neutron
Electron, Proton and Neutron

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Chemistry
Aspirin is chemically known as

Hydroxysalicylate
Acetylsalicylic acid
Methyl salicylate
Alkylsalicylic acid

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Chemistry
PH scale ranges from

0 – 14
8 – 14
0 – 7
None

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Chemistry
Which one is a sublime substance?

Potassium Iodide
Table salt
Sugar
Iodine

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Chemistry
Diamond is lustrous because

It is pure
Its refractive index is high
It is hard
It is colourless

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Chemistry
Which halide is used in making sensitive emulsion on photograhic film?

Sodium chloride
Silver chloride
Silver iodide
Silver bromide

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