Question

which of the following material. fall in the category of a pure substance? a) ice b) milk c) iron. d) hydrochloride e) calcium ​

Answer 1

C: calcium hope it will help you mark me as branlist

Answer 2

Answer:

calcium

Explanation:

because rest of the option are compound and as we know that compound are mixture of two or more substances in a fixed proportional by mass ..while calcium is element and element contains only single type of atoms ...so it is pure..