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when potassium is allowed to burn in a gas jar of chlorine , in a fume cupboard , clouds of white smoke are produced.

why is this reaction carried

out in a fume cupboard



The reaction is done in fume cupboard inorder to minimize the chances of entry on unwanted gases like co2,o2, etc.

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Fumes does not allow any type of gas to enter to that place so to prevent any other gas from entering there  the reaction is carried out in a fume cupboard
hope you understood
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