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Chemistry

Chemistry
Element 106 was discovered by

Rutherford
Seaborg
Kurchatove
Lawrence

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Chemistry
Cloud is a colloidal dispersion of

Air in a dispersion medium of water
Mist in a dispersion medium of air
Water drops in a dispersion medium of air
Fog in a dispersion medium of water

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Chemistry
Aluminium can be purified by

Ozonolysis
Distillation
Oxidation
Electrolysis

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Chemistry
The chemical name of quartz is

Sodium silicate
Calcium phosphate
Calcium oxide
Sodium phosphate

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Chemistry
The amount of chlorine available in water after disinfection is called as

Free chlorine
Combined available chlorine
Residual chlorine
Free available chlorine

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Chemistry
Acid rain is caused due to emission of which of the following in to the atmosphere ?

Carbon dioxide and carbon monoxide
Oxides of nitrogen and sulphur
Ozone and carbon dioxide
Carbon monoxide and nitrogen

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MORE MCQ ON Chemistry

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