RRB NTPC · Question 29
One of the techniques used for desalination of seawater is A. Filtration B. Distillation C. evaporation D. Condensation
Show answer & explanation
Answer: (B) B
Explanation
Distillation is a common desalination method: seawater is boiled and the steam condensed into fresh water, leaving the salt behind. Reverse osmosis is the other main method. Filtration cannot remove dissolved salt.