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why audio tape film's colour becomes brown ?

2007-01-13 22:16:40 · 2 answers · asked by asim_media 1 in Science & Mathematics ➔ Chemistry

2 answers

due to use of bromine water in photography

2007-01-14 00:46:22 · answer #1 · answered by Anonymous · 0⤊ 1⤋

http://timesofindia.indiatimes.com/articleshow/1067737.cms

2007-01-13 22:25:37 · answer #2 · answered by HellBoy 2 · 0⤊ 0⤋

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