A visible change is observed when a strip of iron is placed in an aqueous solution of? by Sunday | May 12 | Chemistry WAEC | 0 comments A. FeSO4 B. ZnSO4 C. CuSO4 D. MgSO4 Correct Answer: Option C C. CuSO4 Users Also Read These:When a country's total visible and invisible exports…What would be observed when aqueous ammonia is added…A positively charged glass rod is placed near the…If the change in free energy of a system is -899…An object is placed between two mirrors which are…