|
19. |
Which one is a sublime substance? |
|||
|
|
(a) |
Table salt |
(b) |
Sugar |
|
|
(c) |
Iodine |
(d) |
Potassium iodide |
|
19. |
Which one is a sublime substance? |
|||
|
|
(a) |
Table salt |
(b) |
Sugar |
|
|
(c) |
Iodine |
(d) |
Potassium iodide |