Potable water should contain _________________________.
Therefore, Potable water should contain Sodium(Na),Calcium(Ca),andMagnesium(Mg).
Write notes on the following topics.
(a) Potable water
(b) Water management
(c) Rainwater harvesting
Match the following.
Group ‘A’
Group ‘B’
(a)
World Water Day
1.
Canals
(b)
Rainwater harvesting
2.
22 March
(c)
Potable water
3.
20 August
(d)
Irrigation
4.
Chlorination
5.
Ground water level
Give a characteristics of potable water?