Chemical Process
Presence of H₂S in raw water (to be chlorinated) results in the

None of these
Increased dosage of chlorine to provide a disinfecting residual in the water
Reduced softening capacity of zeolite
Easy removal of its hardness

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Chemical Process
Pick out the wrong statement pertaining to the soap manufacture.

Both laundary as well as toilet soaps are manufactured by hot process
Transparent soaps are made by cold process
Colourless rosin is used in the manufacture of laundary soaps
Organic pigments are used as colouring materials in the soap manufacture

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