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Question
A glass rod dipped in concentrated hydrochloric acid can be used to detect ______.
Options
sulphur dioxide gas
carbon dioxide gas
ammonia gas
nitrogen dioxide gas
MCQ
Fill in the Blanks
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Solution
A glass rod dipped in concentrated hydrochloric acid can be used to detect ammonia gas.
Explanation:
Ammonia gas reacts with hydrogen chloride vapors from the glass rod to form dense white fumes of ammonium chloride (NH4Cl).
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Chapter 13: Practical Work - Intext Question [Page 273]
