7.
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
(1)
Mercury
(g) Brick
(h) Wood
(i) Air
Answers
Answered by
4
Answer:
Ice, iron, hydrochloric acid, calcium oxide, mercury.
Answered by
2
Answer:
Ice
Iron
Milk
Explanation:
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