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Chemistry

Chemistry
The length of double bond is _______ than single bond

Shorter
None of these
Of same lenght
Longer

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Chemistry
Petroleum consists of a mixture of

Carbohydrates
Carbides
Hydrocarbons
Carbonates

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Chemistry
Particulates (< 1 µm size) remaining suspended in air indefinitely and transported by wind currents are called

Mists
Smoke
Aerosols
Fumes

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Chemistry
The element which is used for vulcanizing rubber

Phosphorus
Bromine
Sulphur
Silicon

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Chemistry
Silicon is a

Semiconductor
Nonconductor
Insulator
Conductor

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Chemistry
The chemical name of 'Hypo' commonly used in photography is

Silver nitrate
Sodium thiosulphate
Silver iodide
Sodium nitrate

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