Question.
Which of the following materials fall in the category of a "pure substance" ?
(a) Ice
(b) Milk
(c) Iron
(d) Hydrochloric acid
(e) Calcium oxide
(f) Mercury
(g) Bric
(h) Wood
(i) Air.
Which of the following materials fall in the category of a "pure substance" ?
(a) Ice
(b) Milk
(c) Iron
(d) Hydrochloric acid
(e) Calcium oxide
(f) Mercury
(g) Bric
(h) Wood
(i) Air.
Solution:
Ice, iron, hydrochloric acid, calcium oxide, and mercury are pure substances.
Ice, iron, hydrochloric acid, calcium oxide, and mercury are pure substances.