Which of the following is an ore of mercury? |
|||||||
(a) |
Bauxite |
(b) |
Hematite |
(c) |
Cinnabar |
(d) |
Dolomite |
Which of the following is an ore of mercury? |
|||||||
(a) |
Bauxite |
(b) |
Hematite |
(c) |
Cinnabar |
(d) |
Dolomite |