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Marble chips, add HCl 2.0 M and collect the gas at room temperature for about 5 minutes. Solution will be acidic. it could be tested with Blue Litmus Paper (turn Red)
No need middle bottle (see picture)
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Marble chips, add HCl 2.0 M and collect the gas at room temperature for about 5 minutes. Solution will be acidic. it could be tested with Blue Litmus Paper (turn Red)
No need middle bottle (see picture)