What will you observe if dry blue/red litmus paper is brought in contact with
(a) Dry HCl gas (b) NaOH
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Answered by
1
Answer:
What will you observe if dry blue/red litmus paper is brought in contact with
b) NaOH
Answered by
0
Answer:
The colour of blue litmus paper changes only in the presence of ions like hydrogen (H
+
) or hydronium (H
3
O
+
) ions. HCl can produce these ions only when in the form of an aqueous solution.
Hence dry HCl gas does not change the colour of dry litmus paper.
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