Discussion
An effective ecofriendly bleach for textile fibers is :
Answer: C
The eco-friendly bleach is hydrogen peroxide.
Hydrogen peroxide is an oxygen bleach: it breaks down into water and oxygen, leaves no harmful residue, and is safe for most fibres, which is why it has replaced chlorine in much textile bleaching.
Sodium hypochlorite and chlorine bleach produce chlorinated organic compounds that pollute waste water, and they damage protein fibres such as wool and silk. Sodium perborate works only by releasing hydrogen peroxide in hot water and leaves borate in the effluent, so hydrogen peroxide is the cleaner choice.
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