Which reagent is able to dissolve gold and platinum? |
|||
(a) |
Nitric acid |
(b) |
Aqua- regia |
(c) |
Hydrochloric acid |
(d) |
Sulphuric acid |
Which reagent is able to dissolve gold and platinum? |
|||
(a) |
Nitric acid |
(b) |
Aqua- regia |
(c) |
Hydrochloric acid |
(d) |
Sulphuric acid |