CAIE IGCSE Chemistry 10.1.7 Treatment of the Domestic Water Supply Questions

Work through real CAIE IGCSE Chemistry questions to order domestic water-treatment stages and match each process to the impurity or microbe it addresses.

Exam points

use sedimentation and filtration to remove suspended insoluble solid particles
use activated carbon to remove unwanted tastes, odours and some dissolved substances
use chlorination to kill harmful microbes rather than to remove dissolved salts

[Maximum number: 1]

Which statements about the treatment of domestic water supplies are correct?

1 Filtration is used to remove insoluble substances from the water.
2 Sedimentation is used to remove soluble substances from the water.
3 Carbon is used to remove tastes and odours from the water.
4 Chlorine is used to lower the pH of the water.

1 and 3

1 and 4

2 and 3

2 and 4

All question bank results loaded

CAIE IGCSE Chemistry 10.1.7 Treatment of the Domestic Water Supply Questions question 1