Statement I: Nano scale metallic and bimetallic particles can efficiently remove common water pollutants such as Poly Chloro Benzenes (PCB), Organo chlorine pesticides and halogenated organic solvents.
Statement II: Nano scale metallic and bimetallic particles cannot reduce heavy metals such as nickel, arsenic, mercury etc.
In the light of the above statements, choose the most appropriate answer from the options given below.