Page 13 - Curriculum Visions Dynamic Book
P. 13
Deep-blue-coloured tetraamminecopper(ii)
Filter paper
Concentrated ammonia solution
(Below) This simple laboratory demonstration shows how a rayon “fibre” can be generated using cellulose. The paper is the source of the cellulose.
Copper carbonate
Pipette loaded with
cellulose dissolved in tetraamminecopper(ii) solution
Petri dish containing dilute sulphuric acid
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