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Chemistry

Chemistry
Ruby and sapphire are oxides of

Iron
Copper
Tin
Aluminium

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Chemistry
The monomer of polythene is

None of these
ethyl alcohol
vinyl chloride
ethylene

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Chemistry
'All the four quantum numbers of two electrons in an atom are not the same.' It is the law of –

Exclusion Principle of Pauli
Avogadro's Law
Hund's rule of maximum multiplicity
Uncertainty Principle of Hiesenberg

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Chemistry
Aspirin is chemically known as

Hydroxysalicylate
Acetylsalicylic acid
Alkylsalicylic acid
Methyl salicylate

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Chemistry
Who is known as the 'father of modern chemistry'

Democritus
John Dalton
Antoine Lavoisier
Robert Boyle

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Chemistry
Ultraviolet radiation striking the earth is due to the depletion of

Oxygen
Carbon monoxide
Ozone
Carbon dioxide

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MORE MCQ ON Chemistry

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