CHEMISTRY QUIZ

Brass is a solution of molten copper in

Gaseous zinc

Solid zinc

Molten zinc

Molten tin

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Ruby and sapphire are oxides of

Iron

Copper

Aluminium

Tin

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Aspirin is chemically known as

Acetylsalicylic acid

Hydroxysalicylate

Alkylsalicylic acid

Methyl salicylate

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If water smells bad, then that odour can be removed by adding

Activated carbon

Alum

Bleach

Deactivated nitrogen

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Sodium is produced by the electrolysis of

Its cyanide complex

Molten sodium carbonate

Aqueous brine solution

Molten sodium chloride

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A colloidal system in which a liquid is dispersed in a liquid is called

Sol

Gel

Emulsion

Precipitate

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Sodium bicarbonate is commercially known as

Soda lime

Washing soda

Caustic soda

Baking soda

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The Refrigerant 'FREON' is

Calcium Tetra Fluoride

Hydrofluosilicic Acid

Difluoro Dichloro Methane

Fluorspar and Felspar

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Most commonly used bleaching agent is

Alcohol

Chlorine

Sodium chloride

Carbon dioxide

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Piped Natural Gas (PNG) is used for

Anaesthesia

Mining

Welding

Cooking

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