Question

Q10) Pure substances can be elements or
Q10 Pure substances can be elements or​

Answer 1

Answer:

Pure substances can be elements or compounds  

Element is a substance made up of only one type of substance

A compound is a substance formed when two or more chemical elements are chemically bonded together.

Answer 2

Answer:

elements and compounds

Explanation:

pure substance means a substance which is made up of only one kind of particle or only same type of compound.

Hence element contains only 1 type of atoms

and compound

Example:

H2 is made of only hydrogen atoms

hence it is element

H2O is made of 2 hydrogen atoms and 1 oxygen atom