Question

Water must be purified before it is suitable for use in the home. Which processes are used to remove solid impurities and to kill bacteria?

• A. To remove solid impurities - chlorination, to kill bacteria - chlorination
• B. To remove solid impurities - chlorination, to kill bacteria - filtration
• C. To remove solid impurities - filtration, to kill bacteria - chlorination
• D. To remove solid impurities - filtration, to kill bacteria - filtration

Answer 1

The correct option is C To remove solid impurities - filtration, to kill bacteria - chlorination

Filtration is a process in which solid impurities are removed from impure solutions.

Chlorination is a process in which bacterias are killed for the purification of water.