Explanation:
4 part is the correct answer....
Teacher should add some water in the test tube in which gas was collected. Shake the test tube and then bring a litmus paper near the test tube.The solution will turn litmus paper red. This shows that the gas is acidic.
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Answers & Comments
Explanation:
4 part is the correct answer....
Teacher should add some water in the test tube in which gas was collected. Shake the test tube and then bring a litmus paper near the test tube.The solution will turn litmus paper red. This shows that the gas is acidic.
Verified answer
(4) is the correct answerReason:- Carbon dioxide (CO2) is an acidic gas and as it is acidic it will turn blue litmus to red