Figure 3 (a):
A= pale blue (0.01M CuSO4.5H2O); B= greenish brown (aqueous leaf extract of Morus nigra); C= dark brown (addition of leaf extract into CuSO4.5H2O).
A= pale blue (0.01M CuSO4.5H2O); B= greenish brown (aqueous leaf extract of Morus nigra); C= dark brown (addition of leaf extract into CuSO4.5H2O).