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Question

What happens when blue litmus paper is dipped into chlorine water?

A

Paper becomes red

B

Paper becomes white

C

Paper remains blue

D

Paper dissolves

Medium

Solution

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Correct option is
A

Paper becomes red

Chlorine water on standing initially gives an amount of hypochlorous acid . So, the color of the litmus paper will change from blue to red. After some time and will be produced and both of them are acidic.

 
Hence, option is correct.

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