Question

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

Answer 1

Answer:

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.

Answer 2

Answer:

Answer is Third Red

Explanation:

Because, it indicates that the compound comes in contact with the litmus paper is acidic, when carbon dioxide, one of the major product of combustion react with water in the moist blue litmus paper, it turns into carbonic acid

So ,

it is red

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