Chemical Process
Sucrose is a disaccharide consisting of

Glucose and glucose
Fructose and galactose
Glucose and fructose
Glucose and galactose

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Chemical Process
Viscose rayon

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

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Chemical Process
Presence of carbonaceous matter in the sewage

Increases the quantity of chlorine used for its purification
Causes reduction in its dissolved oxygen content thereby endangering the life of aquatic creatures
All of these
Reduces sulphate ions to sulphides causing obnoxious smell

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