Inhibitors are used along with sanitizer to
improve their action
to prevent corrosion
both (a) and (b)
none of these
Correct answer is B
No explanation has been provided for this answer.
The common method(s) used for disinfection in waste water treatment plants are
chlorination
UV light
both (a) and (b)
Phenolic solvent
Correct answer is C
No explanation has been provided for this answer.
Sanitizer used specifically for vitreous enamel are
strong alkalis
strong acids
weak alkali with sodium silicate
none of these
Correct answer is C
No explanation has been provided for this answer.
Chlorination
Treating with potassium permagnate
UV radiation
Treating with bleaching powder
Correct answer is C
No explanation has been provided for this answer.
Which of the following chemical is sometimes added in the process of coagulation and flocculation?
Aluminum sulphate
Aluminum oxide
Calcium chloride
None of these
Correct answer is A
No explanation has been provided for this answer.
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