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 78x       Filetype PDF       File size 1.61 MB       Source: ncert.nic.in


File: Hesc103
SYNTHETIC FIBRES AND PLASTICS SYNTHETIC FIBRES AND PLASTICS he clothes which we wear are 3.1 What are Synthetic made of fabrics. Fabrics Fibres? Tare made from fibres obtained from ...

icon picture PDF Filetype PDF | Posted on 27 Feb 2023 | 2 years ago
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...Synthetic fibres and plastics he clothes which we wear are what made of fabrics tare from obtained natural or artificial sources can try to recall the uniform pattern found you name some in a necklace beads joined with also used for making large variety help thread household articles make list join number paper clips together common long chain as fig b is separate them into those there any similarity between two entries table s no type fibre article aa form chains why did label small units each have read your previous unit actually chemical substance classes that like cotton many such combine wool silk etc plants single called polymer animals on word comes greek other hand by human beings words poly meaning mer these part so man repeating nylon polymers occur nature example another cellulose up it was without using glucose raw material plant animal prepared coal water types air first fully rayon strong elastic class vii light lustrous easy wash silkworm discovered became very popular c...
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