Question

The organic matter in drinking water must be about _________

(a) 0.2-1.0ppm

(b) 1.0-2.0ppm

(c) 2.0-3.0ppm

(d) 3.0-4.0ppm

The question was posed to me by my school principal while I was bunking the class.

I want to ask this question from Estimation of Hardness in division Water of Applied Chemistry

Answer 1

Right answer is (a) 0.2-1.0ppm

The explanation: The organic matter in drinking water must be about 0.2-1.0ppm. The phosphate is also low that is about 10-15ppm.