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Chemistry

Chemistry
Alum is used as

A fertilizer
A disinfectant
An analgesic
A purifier for water

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Chemistry
Galvanization of iron is carried out using

Chromium
Zinc
Copper
Tin

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Chemistry
The unit of ionic product of water (Kw) is :

Mol-1 let-2
Mol-1 let-1
Mol2 let-2
Mol2 let-1

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

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Chemistry
Which of the following is used to increase the anti-knocking property of petrol ?

Tetramethyl lead
Tetraethyl lead
Triethyl lead
Trimethyl lead

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Chemistry
A mixture of water and alcohol can be separated by

Distillation
Evaporation
Filtration
Decantation

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MORE MCQ ON Chemistry

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