Question

7.
Which of the following materials fall in the category of a “pu
substance”?
(a) Ice
(b) Milk
(c) Iron
(d) Hydrochloric acid
(e) Calcium oxide
(f) Mercury
Brick
(h) Wood
(i)
Air.
olutions among the following mixtures.
+1​

Answer 1

Answer:

there are 6 Pure substances

Explanation:

A) ice,

C)Iron

D)Hydrochloric acid

E)Calcium oxide

F)Mercury

and Air

These are pure substances

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