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Answer» ANSWER: bro TAKE 2 iron NAILS clean it with paper then take 2 beaker fill CuSo4 in both tubes then put one iron nail in one test tube and leave the another test tube for examine keep the nail in tube for 20 minutes and then take out and observe the both test tube and both iron nails Explanation: the COLOUR of one tube gets FADED

Answer»

bro TAKE 2 iron NAILS clean it with paper then take 2 beaker fill CuSo4 in both tubes then put one iron nail in one test tube and leave the another test tube for examine keep the nail in tube for 20 minutes and then take out and observe the both test tube and both iron nails

Explanation:

the COLOUR of one tube gets FADED

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