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Question
State the following:
The drying agent used in the laboratory preparation of HCl gas.
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Solution
The drying agent used in the laboratory preparation of HCl gas is concentrated sulphuric acid. As sulphuric acid is non-volatile in nature therefore it helps in removing the moisture and hence act as a drying agent.
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When dilute HCl is added to a salt Q, a brisk effervescence is produced and the gas turns lime water milky.
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A method used to collect HCl gas.
