Chemical Process
Dry ice (solidified CO₂) is used for the

Storage & shipment of frozen foods and ice-creams
None of these
Liquefaction of natural gas
Liquefaction of permanent gases

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Chemical Process
Viscose rayon

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

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