Question

Please give the answer of above question truely.​

Answer 1

Blue vitriol is copper sulphate.

1. Cupric sulfate is a salt formed by treating cupric oxide with sulfuric acid.
2. It forms as large, bright blue crystals containing five molecules of water (CuSO4∙5H2O) and is known in commerce as blue vitriol.
3. copper sulfate, CuSO4⋅5H2O, occurring naturally as large transparent, deep-blue triclinic crystals .
4. appearing in its anhydrous state as a white powder: used chiefly as a mordant, insecticide, fungicide, and in engraving.