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Chemistry

Chemistry
Quartz is a crystalline form of

Limestone
Alumina
Silica
Glass

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Chemistry
Wax used for making candle is chemically a mixture of

Aliphatic hydrocarbons
Aliphatic and aromatic hydrocarbons
Cyclic hydrocarbons
Aromatic hydrocarbons

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Chemistry
The most abundant metal in the Earth’s crust is

Zinc
Iron
Copper
Aluminium

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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 –

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

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Chemistry
What is the covalency of nitrogen in ammonia molecule

3
2
4
5

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Chemistry
One carat of diamond is equal to

250 mg
100 mg
200 mg
150 mg

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MORE MCQ ON Chemistry

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