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Chemistry

Chemistry
Hard water and soft water can be distinguished by using

Ordinary soap
Detergent
Dilute acid
Liquid soap

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Chemistry
In the electroplating of gold, the electrolyte used is

Gold sulphate
Potassium aurocyanide
Gold chloride
Gold nitrate

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Chemistry
The method that cannot be used for removing permanent hardness of water is

distillation
adding sodium carbonate
adding caustic soda
boiling

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Chemistry
Which gas is used for converting vegetable oils into saturated fats ?

H2
Cl2
SO2
O2

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Chemistry
The element with highest ionization potential is

Carbon
Boron
Helium
Oxygen

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Chemistry
A colloidal system in which a liquid is dispersed in a liquid is called

Precipitate
Sol
Emulsion
Gel

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MORE MCQ ON Chemistry

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