When hydrigen gas being evolved through the soap solution why bubbles are formed in soap solution?
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When hydrogen is passed through the soap solution hydrogen doesn't get dissolve in it and this gas tries to escape from the solution into the environment when it reaches the upper surface of soap solution it escapes as bubbles because in soap solution it had less space but as it entered the air it got more space. That is why bubbles of hydrogen are formed in soap solution
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On passing hydrogen gas through soap solution it does not get dissolved in it, and the solution easily form bubbles containing hydrogen gas. The presence of hydrogen gas can be tested with the help of a burning splinter near the bubbles. Therefore, soap solution can be used in testing of hydrogen gas.
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