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Chemistry

Chemistry
Muscle fatigue is caused by the accumulation of :

Uric acid
Oxalacetic acid
Pyruvic acid
Lactic acid

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Chemistry
Browning of paper in old books is caused by

Collection of dust
Lack of aeration
Frequent use
Oxidation of cellulose

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Chemistry
In the electroplating of gold, the electrolyte used is

Gold nitrate
Gold sulphate
Potassium aurocyanide
Gold chloride

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Chemistry
The working of a dry cell is based on

Combination reaction
Decomposition reaction
Spontaneous oxidation-reduction reaction
Electrolysis

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Chemistry
Iron rusts quickly in

Rain water
Sea water
Distilled water
River water

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Chemistry
The aqueous solution of potassium chloride is

A weak electrolyte
A non-electrolyte
Initially weak and then become a strong electrolyte
A strong electrolyte

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MORE MCQ ON Chemistry

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