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Chemistry

Chemistry
The number of electrons presents in H+ is

zero
one
two
three

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Chemistry
A non-electronic conductor is

Gas Carbon
None of these
Iron
Copper Sulphate

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Chemistry
Impure camphor is purified by

Fractional distillation
Sublimation
Steam distillation
Fractional crystallisation

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Chemistry
Which is not an anasthetic agent in surgical operations?

Chloroform
Acetone
Ether
Nitrous oxide

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Chemistry
Which one is a soluble salt in H2O

CuS
CaCl2
PbCl2
Zn(OH)2

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Chemistry
Which one of the following is not a characteristic feature of alloys? They are

Solutions
Compounds
Homogeneous systems
Mixtures

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