EXCLUSIVE EXAM CENTER
June 17, 2025 at 08:41 AM
*WAEC CHEMISTRY PRACTICAL*
*NUMBER THREE*
(3a)
Manganese(IV) oxide is a black or very dark brown solid.
(3b)
Chlorine displaces iodine from potassium iodide, and the released iodine reacts with starch to give a blue-black colour.
(3c)
Iron(II) sulfate in solution is pale green in colour when freshly prepared.
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