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Chemistry

Chemistry
Tear gas used by the police to disperse the mob contains

Carbon dioxide
Chlorine
Hydrogen sulphide
Ammonia

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Chemistry
Which of the following is not soluble in water ?

Potassium sulphate
Sodium sulphate
Lead Sulphate
Zinc sulphate

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Chemistry
The iron ore which contains 72% of iron is :

Limonite
Haematite
Magnetite
Siderite

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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
Uncertainty Principle of Hiesenberg
Exclusion Principle of Pauli

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Chemistry
Equal masses of oxygen, hydrogen and methane are kept under identical conditions. The ratio of the volumes of gases will be

1 : 1 : 1
2 : 16 : 1
2 : 16 : 2
1 : 16 : 2

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Chemistry
Organic compounds are

Co-ordination compounds
Ionic compounds
Interstitial compounds
Covalent compounds

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MORE MCQ ON Chemistry

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