Question Detail The metal used to recover copper from a solution of copper sulphate is ? NaAgHgFe Answer: Option D Similar Questions : 1. Iodine can be separated from a mixture of Iodine and Potassium Chloride by ? FiltrationSublimationDistillationSedimentation Answer: Option B 2. The single acid which dissolves gold is ? Aqua regiaHydrochloric acidNitric acidSelenic acid Answer: Option A 3. The most abundant element in the earth's crust is ? AluminiumNitrogenSiliconOxygen Answer: Option D 4. The gas used for artificial ripening of green fruit is ? ethaneethylenecarbon dioxideacetylene Answer: Option B 5. What is used to avoid melting of ice ? GelatineButaneMethaneAny acid Answer: Option A Read more from - Chemistry Questions Answers