Question

difference between pure and mixed substances

Answer 1

pure substance are pure
exp.element
mixed substance are impure
exp.compounds like HCl

Answer 2

the substance which is made from single type of atom and other type of atom in fixed ratio is known as pure substanc examples carbon,sodium, water ,calcium carbonate , etc.




those impure substance which is made of two and more than two element or compound they are not present in fixed ratio is known as
impure substance example air, milk ,blood, solution etc