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) Brick
(h) Wood
(i) Air.

Which of the following materials fall in the category of a "pure substance"? Air

Which of the following materials fall in the category of a "pure substance"? Wood

Which of the following materials fall in the category of a "pure substance"? Milk

Which of the following materials fall in the category of a " Pure Substances" ? (a) Ice (b) Milk ( c) Iron (d) hydrochloric acid ( e) Calcium Oxide ( f) Mercury (g) Bricks (h) Wood (i) Air

Which of the following materials fall in the category of a "pure susbstance"? Brick

Which of the following materials fall in the category of a "pure substances"? Give reasons. (a) Ice (b) Milk (c ) Iron (d) Hydrochloric acid ( e) Calcium oxide (f) Mercury (g) Brick (h) Wood (f) Air