Q142 / 270 · NDA 2011 (Phase 1) · General Ability
Which one among the following methods is not effective in removing arsenic from contaminated ground water?
- Correct answerABoiling
- BReverse osmosis
- CIon exchange
- DCoagulation-adsorption
Solution
The correct answer is option (A).
Hence, the correct answer is option: 'A'.