Question

7.
pure water?
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
Mercury
Brick
(h) Wood
Air.
Identify the solutions among the following mixtures.
(a) Soil
(b) Sea water
(c) Air
(d) Coal
(el Soda water.​

Answer 1

1) Hydrochloric acid
Mark me as brainliest

Answer 2

Answer:

And 1- Hydrochloric acid

Ans 2- I think Soda water