General Science
How does common salt help in separating soap from the solution after saponification?

By increasing solubility of Soap
By decreasing solubility of Soap
By increasing density of Soap
By decreasing density of Soap

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General Science
Amalgams are

Highly coloured alloys
Alloys which contain carbon
Alloys which contain mercury as one of the contents
Alloys which have great resistance to abrasion

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