Chemical Process
Viscose rayon

None of these
Utilises H₂SO₄, NaOH and CS₂ during its manufacture
Cannot be made from sulphite pulp
Cannot yield textile grade fibre

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Chemical Process
Vulcanisation of rubber

Converts its plasticity into elasticity
Increases its ozone & oxygen reactivity
Decreases its tensile strength
Increases its oil & solvent resistance

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