Question

B. CO2 gas turns blue litmus paper :
(a) Blue
(b) Red
(c) Green
(d) Colourless.​

Answer 1

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Rᴇᴅ

However, a solution of carbon dioxide will turn blue litmus paper red, which implies that a carbon dioxide solution is acidic. You can get the same result by exposing carbon dioxide to moist litmus paper--the gas will react with the moisture to produce an acidic solution, thus turning blue litmus paper red.

Answer 2

Here's is your answer...

CO2 gas turn blue litmus red into

(b) Red☑️☑️

Explanation:

When blue litmus paper turns red, it indicates that the compund comes in contact with the litmus paper is acidic. when carbon dioxide, one of the major product of combustion,reacts with water in the moist blue litmus paper, it turns into carbonic acid.

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