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Stabilizer added to maintain the peroxide (bleaching agent) concentration is ___________

(a) Chlorine

(b) Nitrate

(c) Sodium silicate

(d) Phosphoric acid

I had been asked this question in a national level competition.

My question is from Natural Products topic in division Natural Products of Chemical Technology

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The correct option is (c) Sodium silicate

Easiest explanation: Chlorine is not a stabilizer and generally sodium silicate is used as stabilizer for maintaining the peroxide concentration. These days it is replaced by an organic dye to prevent scale formation on internal surfaces.

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