Question

Why goldsmith mix a white powder with gold before melting?

Answer 1

A pure substance melts at a fixed temperature. if the substance is impure, the substance usually melts at temperature lower than its standard melting poiint.this fact is made use to melt the solidds at lower empearatures.

2-Gold smiths mix a white powder with gold before melting,

3-because the melting point of gold is 1063°C . its difficult to attain this high temperature.

4-Therefore, a asmall amount of the white powder brings down the melting temperature to great extent.

5-As a result, the goldsmith can melt the gold using a kerosene lamp

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Answer 2

Explanation:

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