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
Brick
(h) Wood
(i) Air
Answers
Answered by
16
Answer:
ice, iron, HCl, CaO, Mercury
Answered by
5
Answer-ice,iron,hcl,cao,mercury
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