Grade 12th pass10 grade science
Why does dry HCl gas not change the colour of the dry litmus paper?
Why does dry HCl gas not change the colour of the dry litmus paper?
1 Answer
Yash Patari
Acids dissociate to give H + ions only in the aqueous solution. Dry acid does not dissociate to give H + ions. In this case HCL is not in aqueous form nor is the litmus paper wet and thus the lack of presence of H + ions leads to the litmus paper not changing its
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