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CHEMISTRY

Chemistry
Silver halides are used in photographic plates because they are

Oxidised in air
Totally colourless
Reduced by light
Soluble in hyposolution

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Chemistry
Who developed Hydrogen Bomb?

J. Robert Oppen Heimer
Wernher Von Braun
Edward Teller
Samuel Cohen

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Chemistry
Synthetic detergents are made from

Sodium stearate
Sodium salt of benzene sulphonic acid
Sodium salt of benzene carboxylic acid
Sodium palmitate

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Chemistry
Commonly used antiseptic 'Dettol' is a mixture of

O-chlorophenoxylenol + terepineol
Chloroxylenol + terepineol
Phenol + terepineol
O-cresol + terepineol

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Chemistry
The gas used in the artificial ripening of fruits is

Methane
Butane
Acetylene
Ethane

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