Question

difference between pure substance and impure substance

Answer 1

PURE SUBSTANCE :- Pure substance is a substance which have only one kind of particles . For example :- Oxygen atom .

IMPURE SUBSTANCE :- Impure substance have two or more than two particles . For example :- ch4 .

Answer 2

hey mate here is your answer:-
1:A pure substance has uniform composition anf properties in all its parts, as it consists of particles of only one kind.
2:It has certain characteristics such as specific temperatures at which it melts and bois.
Impure: 1:A substance is said to be impure if it has particles of other substances mixed in it.
2:The constituents of impure substances may be present in any ratio.
hope it helps!