Question

explain why mixture does not have a fixed melting and boiling point

Answer 1

Mixture contain different types of substances in different compositions. these substance may have differentmelting andboiling point hence themelting and boiling point of a mixturecannot be fixed. proof: If you heat salt water, the boiling point will exceed 100 Celcius.Se

Answer 2

Because many elements are present in mixture and every element has its own boiling or melting point