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CHEMISTRY

Chemistry
Silver halides are used in photographic plates because they are

Soluble in hyposolution
Reduced by light
Totally colourless
Oxidised in air

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Chemistry
Who developed Hydrogen Bomb?

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

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Chemistry
Synthetic detergents are made from

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

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Chemistry
Commonly used antiseptic 'Dettol' is a mixture of

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

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Chemistry
The gas used in the artificial ripening of fruits is

Ethane
Methane
Acetylene
Butane

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