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Question
Choose the correct answer from the options given below:
Which of the following statement is not correct ?
Options
HCl gas is collected by upward displacement of air
HCl acid gives white precipitate with AgNO3.
HCl gas is collected by downward displacement of air
HCl acid turns phenolphthalein solution colurless
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Solution
HCl gas is collected by the downward displacement of air.
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