Question

fresh milk turns red litmus blue what will be the action of curd on blue litmus paper​

Answer 1

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• Litmus paper is used to determine whether a given solution is acidic or alkaline.

• A blue litmus paper turns red if solution is acidic. So, Vinegar solution turns paper red.

• A red litmus paper turns blue if solution is alkaline. So, solution of baking soda turns paper blue.

• Milk & Glucose does not affect the Litmus paper as they are neither acidic nor alkaline.

Answer 2

Answer:

It will remain blue only

Explanation:

Curd contains lactic acid and acid turns red litmus blue but when blue litmus comes in contact with acid it remains blue only.

Also in the case of bases when it comes in contact with blue litmus it changes into red but it has no effect on red litmus