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Chemistry

Chemistry
The monomer of polythene is

ethyl alcohol
None of these
ethylene
vinyl chloride

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Chemistry
The aqueous solution of potassium chloride is

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

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Chemistry
In the electroplating of gold, the electrolyte used is

Gold chloride
Gold nitrate
Potassium aurocyanide
Gold sulphate

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Chemistry
Ozone layer in the upper parts of the atmosphere serves as a protective shield against harmful

CO2 in the air
Solar infrared radiation
Solar ultraviolet radiation
SO2 in the air

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Chemistry
Candle is a mixture of

Higher fatty acids and stearic acid
Paraffin was and stearic acid
Bees wax and paraffin wax
Bees wax and stearic acid

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Chemistry
Sea water can be purified by the process of

Filtration
Fractional distillation
Evaporation
Distillation

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MORE MCQ ON Chemistry

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