Q: 44 (CAPF/2009)

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Match List-I with List-II and select the correct answer using the code given below : List-I (Process) A. Aeration followed by filtration B. Reverse Osmosis C. Filtration through activated carbon D. Treatment with UV light List-II (Contaminant)
1. Removal of colour
2. Removal of microorganism
3. Removal of iron
4. Removal of excess salts Code : A B C D
question_subject: 
Science
question_year: 
2009
question_exam: 
CAPF
stats: 
0,584,392,176,160,584,56