scanned by camscanner...note : benzene dæs rot give this test, whereas phenol and aniline gives...
Post on 02-Nov-2020
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Scanned by CamScanner
Scanned by CamScanner
Scanned by CamScanner
Scanned by CamScanner
Scanned by CamScanner
Scanned by CamScanner
Scanned by CamScanner
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