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Chemistry

Chemistry
The most volatile of the given liquids is

Ether
Liquid He
Liquid NH3
Liquid

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Chemistry
Which of the following is not a precious/semi-precious stone?

Ruby
Pearl
Emerald
Sapphire

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Chemistry
The molecular mass of a gas is

Not related to its vapour pressure
Twice its vapour pressure
Half its vapour pressure
Equal to its vapour pressure

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Chemistry
Emulsifier is an agent which

Accelerates the dispersion
Aids the flocculation of emulsion
Stabilizes an emulsion
Homogenizes the emulsion

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Chemistry
When there are two electrons in the same orbital, they have:

Same spin
Opposite spin
Same or opposite spin
No spin

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Chemistry
How many neutrons are there in 92U238 atom ?

146
92
330
238

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MORE MCQ ON Chemistry

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