SELECT * FROM question_mgmt as q WHERE id=3512 AND status=1 SELECT id,question_no,question,chapter FROM question_mgmt as q WHERE courseId=9 AND subId=16 AND chapterId=253 and ex_no='3' AND status=1 ORDER BY CAST(question_no AS UNSIGNED) CBSE Free NCERT Solution of 10th science Acids, Bases and Salts why does dry hcl gas not change the colour of the

Question:

Why does dry HCl gas not change the colour of the dry litmus paper?

Answer:

Dry HCl gas does not contain H+ ions in the aqueous condition only an acid dissociates to give ions. Hence, their is no change in the colour of the litmus paper.


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  • Answered by Ekta Mehta
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