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Chemistry

Chemistry
Silk fibre chemically is :

Protein
Carbohydrate
Fat
Cellulose

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Chemistry
Which one is a sublime substance?

Potassium Iodide
Iodine
Sugar
Table salt

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Chemistry
Among the following, which is always found in free-state in nature?

Copper
Gold
Sodium
Silver

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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
Uncertainty Principle of Hiesenberg
Hund's rule of maximum multiplicity

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Chemistry
Two electrons in an orbital are differentiated by which of the following ?

Azimuthal quantum number
Principal quantum number
Spin quantum number
Magnetic quantum number

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Chemistry
The process of removing calcium and magnesium from hard water is known as

Flocculation
Filtration
Sedimentation
Water softening

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MORE MCQ ON Chemistry

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