ChemistryClass 10ICSE
Q
Fresh milk has a pH of 6. When milk changes into curd, the pH value will: (a) Become 7 (b) Become less than 6 (c) Become more than 7 Remain unchanged
A
Option (b) is the answer. Fresh milks when converted into curd will produce lactic acid. The value of pH for an acid will always lesser than 7.