Match List – I (Type of water source) with List – II (Treatment to be given) and select the correct answer using the codes given below the lists:

List – I

A. Surface water

B. Water from infiltration gallery

C. Lake water

D. Tube well water

List – II

1. Aeration, coagulation, sedimentation and disinfection

2. Disinfection

3. CuSO₄ treatment, coagulation, sedimentation, filtration and disinfection

4. Coagulation, flocculation, sedimentation, filtration and disinfection