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Chemistry

Chemistry
The chemical used in developing photographic films is

Sodium sulphate
Silver bromide
Hydroquinone
Hypo

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Chemistry
Trinitrotoluene is

Used to fuse two metals
Used as an abrasive
Used to melt metals
Used as an explosive

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Chemistry
Which of the following electrodes is used in strongly alkaline solution

Silver - silver chloride electrode
Mercury - mercuric oxide electrode
Mercury - mercurous chloride electrode
Mercury - mercurous sulphate electrode

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Chemistry
Stains of rust on clothes can be removed by :

Oxalic acid
H2O2
Petrol
Alcohol

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Chemistry
In addition to hydrogen, the other abundant element present on Sun’s surface is

Argon
Neon
Helium
Oxygen

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Chemistry
Emulsifier is an agent which

Accelerates the dispersion
Homogenizes the emulsion
Aids the flocculation of emulsion
Stabilizes an emulsion

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