Choose the correct answer:
Carbon dioxide and sulphur dioxide gas can be distinguished by using:
(a) moist blue litmus paper.
(b) lime water
(c) acidified potassium dichromate paper
(d) none of the above.

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Solution

(c) acidified potassium dichromate paper
Carbon dioxide has no effect on acidified potassium dichromate paper, but sulphur dioxide turns it green from orange.

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Similar questions

Q. In the presence of carbon dioxide gas, the colour of moist blue litmus paper turns to _____.

Why does sulphur dioxide turns acidified potassium dichromate paper green

State your observation for the following cases:
(i) Moist blue litmus is introduced into a gas jar of sulphur dioxide.
(ii) Dry red rose petals are placed in the jar of sulphur dioxide.
(iii) Paper soaked in potassium permanganate solution is introduced into a gas jar of sulphur dioxide.

Q. What happens when moist blue litmus paper is placed in a jar containing carbon dioxide?

Q. Give a reason why carbon dioxide and sulphur dioxide cannot be distinguished by using lime water.

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Choose the correct answer: Carbon dioxide and sulphur dioxide gas can be distinguished by using: (a) moist blue litmus paper. (b) lime water (c) acidified potassium dichromate paper (d) none of the above.

(c) acidified potassium dichromate paper Carbon dioxide has no effect on acidified potassium dichromate paper, but sulphur dioxide turns it green from orange.

Choose the correct answer:
Carbon dioxide and sulphur dioxide gas can be distinguished by using:
(a) moist blue litmus paper.
(b) lime water
(c) acidified potassium dichromate paper
(d) none of the above.

(c) acidified potassium dichromate paper
Carbon dioxide has no effect on acidified potassium dichromate paper, but sulphur dioxide turns it green from orange.