Question

A teacher has found two white powders on a desk in the chemistry laboratory.she want to test to see if they are pure substances,so she measured the melting points.substace x melt at 122 c shelter explain which one is the pure substance​

Answer 1

Explanation:

Determining the melting point of a compound is one way to test if the substance is pure. A pure substance generally has a melting range

Answer 2

Hi what is the answer