Q. For portable water the permissible pH value is (A) 11 -- 14 (B) 7 - 8.5 (C) 4.5 - 7 (D) 9 -- 11 ๐๏ธ Show Answer ๐ฌ Discuss ๐ Share โกMenu โ Correct Answer: (B) 7 - 8.5