MCQOPTIONS
Saved Bookmarks
| 1. |
A white solid 'A' on heating gives off a gas which turns lime water milky. The residue is yellow when hot but turns white on cooling. The solid A is : |
| A. | Zinc sulphate |
| B. | zinc carbonate |
| C. | lead sulphate |
| D. | lead carbonate |
| Answer» C. lead sulphate | |