Question

Difference between pure substance and mixture on the basis of their melting and boiling point

Answer 1

Answer:

A pure substance has constant physical and chemical properties , while mixture having varying physical and chemical properties ( i.e., boiling point and melting point ). 3. A pure substance is pure ,while a mixture is impure

Answer 2

Explanation:

pure substance contains only one kind of substance

for example we have iron

so iton comprises only one kind of atoms that are Fe atom Orr iron atoms

mixture are the substance which contain different types of substance in it

for example

water . ---. contains H2 and O2 ( hydrogen and oxygen ) so it is mixture