Question

the goldsmiths mix a white powder with gold before melting​

Answer 1

Answer:

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. ... 2-Gold smiths mix a white powder with gold before melting, 3-because the melting point of gold is 1063°C

Answer 2

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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