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A bottle of dry ammonica and a bottle of...

A bottle of dry ammonica and a bottle of dry hydrogen choride conncted through a long fube are opened simulaneously at both ends. The while ammonium chloride ring first formed will be

A

at the centre of the tube

B

near the hydrogen chloride tube

C

near the ammonia tube

D

throughout the length of the tube

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The correct Answer is:
B
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