Discussion
Consider the following statements about sodium chlorite.
1. It gives a good white with little damage to cellulose.
2. It requires corrosion resistant plant and good ventilation.
3. It works best under strongly alkaline conditions.
Answer: B
The first two are correct. The third is inverted, since chlorite bleaching is an acidic process and it is precisely the acidity that liberates the chlorine dioxide that does the work. Titanium plant is needed throughout.
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