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Chemistry

Chemistry
Magnetite is

Fe2O3
FeCO3
2Fe2O3. 3H2O
Fe3O4

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Chemistry
Which of the following gases is most toxic ?

Carbon dioxide
Chlorine
Sulphur dioxide
Carbon monoxide

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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 –

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

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Chemistry
A colloidal system in which a liquid is dispersed in a liquid is called

Sol
Gel
Emulsion
Precipitate

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Chemistry
Which one of the following is known as the 'brown coal'?

Coke
Bituminous
Lignite
Anthracite

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Chemistry
Carborundum is another name of

Silicon carbide
Calcium carbide
Silicon oxide
Calcium oxide

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MORE MCQ ON Chemistry

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