Question

Carbonic acid changes the colour of :-

A

red litmus to blue 

B

blue litmus red 

C

red litmus to blue and blue litmus to red 

D

red litmus to purple

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Answer 1

Answer:

blue litmus to red

I hope you get my point

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Answer 2

Answer: always remember brb  which means base turns red to blue so it is obvious that acid turns blue to red...

the correct option is b) blue litmus red

Explanation:

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