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Question

What is the mass percentage of sodium hypochlorite typically present in a commercial bleaching solution?

This question was previously asked in
RRB NTPC 2024 CBT 1 Question Paper (28-Aug-2025) (Shift 3)
The correct answer is
3.62%

Bleaching Solution Sodium Hypochlorite Percentage

Commercial bleaching solutions typically contain approximately 3.62% sodium hypochlorite by mass. This concentration can vary slightly depending on the specific product formulation and intended use.

Sodium hypochlorite, with the chemical formula NaOCl$, is the active ingredient responsible for the bleaching and disinfecting properties of these solutions.

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