Saved Bookmarks
| 1. |
Which of the following materials fall in the category of a 'pure substance'? Give reasons (a) Ice (b) Milk (c) Iron (d) Hydrochloric acid (e) Calcium oxide (f) Mercury (g) Brick (h) Wood (i) Air. |
| Answer» AIR,wood,MERCURY,hydrochloric acid,MILK | |