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)
The correct answer is (c) 'Between 5·5 and 7·5'. This question from the Science & Technology domain tests knowledge of Chemistry.