The alkalinity in water is caused by -
(a) sodium carbonate
(b) potassium carbonate
(c) calcium hydroxide
(d) all of the above.
The correct Answer Is
(d) all of the above
(a) sodium carbonate
(b) potassium carbonate
(c) calcium hydroxide
(d) all of the above.
The correct Answer Is
(d) all of the above