• # question_answer 'Chlorination' is A)  A process of converting chlorides into chlorine B)  Adding small amounts of chlorine to impure water C)  A chemical reaction in which chlorine is formed D)  The formation of a salt containing chlorine

[b] Water chlorination is the process of adding chlorine $\left( C{{l}_{2}} \right)$ or hypochloriteto water. This method is used to kill certain bacteria and other microbes in tap water as chlorine is highly toxic. In particular, chlorinationis used to prevent the spread of waterborne diseases such as cholera, dysentery, typhoid etc.