SPM Students Discussion Thread V3, New Thread: End of an Era!!
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  Dec 1 2006, 08:29 PM
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#1
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Junior Member
23 posts Joined: Nov 2006  
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QUOTE(chyz66 @ Dec 1 2006, 07:58 PM) What is the BOD experiment about ?? Larutan Metilena biru digunakan sebagai penunjuk kehadiran oksigen dalam air. Larutan Metilena biru akan ditambahkan ke dalam sampel-sampel air.Pelunturan warna larutan metilena biru yang cepat menunjukkan kandungan oksigen dalam air adalah sedikit.Lebih cepat warna larutan metilena biru dilunturkan,lebih tercemar sampel air itu. |
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Dec 2 2006, 03:27 PM
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#2
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Junior Member
23 posts Joined: Nov 2006
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Wat came last year? for bio paper 2 esei n paper 3...
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