Question

Q.2 Al Give Scientific reasons of any one of the following 1) Buttermilk spoils if kept in a copper or brass container
​

Answer 1

Ans- Buttermilk if kept in a brass or copper vessel spoils easily, as it contains lactic acid, which when it reacts with the copper or brass container produces toxic salts. These toxic salts spoil the buttermilk, thus causing food poisoning and making it harmful for human consumption.