Q: As per the safe drinking water guidelines issued by the Bureau of Indian Standards, Government of India, what is the acceptable pH value of drinking water?
(a)Between 7·5 and 9·5
(b)Between 6·5 and 8·5
(c)Between 5·5 and 7·5
(d)Between 4·5 and 6·5
Correct Answer: (b)