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Chemistry

Chemistry
The chemical used in developing photographic films is

Hypo
Sodium sulphate
Silver bromide
Hydroquinone

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Chemistry
The first metal used by man was

bronze
copper
iron
gold

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Chemistry
The hydronium ion is

H+
H3O+
H2+
HO -

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Chemistry
Baryllium Sulphate is less soluble in water due to

Low inflammable energy
Lonic band
Low Energy of dissociation
High inflammable energy

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Chemistry
An emulsifier is an agent which

Aids the flocculation of an emulsion
Homogenises an emulsion
Accelerates the dispersion
Stabilises an emulsion

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Chemistry
Commonly used antiseptic 'Dettol' is a mixture of

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

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