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Which toxic substance has no known use and is a by-product bleaching paper pulp? Group of answer choicesDioxinsBenzenePCB’sAsbestos

Question

Which toxic substance has no known use and is a by-product bleaching paper pulp?

  • Dioxins
  • Benzene
  • PCB’s
  • Asbestos
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Solution

The toxic substance that has no known use and is a by-product of bleaching paper pulp is Dioxins.

Explanation:

  1. Dioxins are a group of chemically-related compounds that are known to be environmental pollutants. They are primarily formed as by-products in various industrial processes, including the bleaching of paper pulp.

  2. Dioxins are highly toxic and can lead to serious health issues, including cancer, reproductive and developmental problems, and immune system damage. Despite their potential harm, they do not serve any beneficial purpose.

  3. Other options:

    • Benzene is an organic chemical used in various industrial processes and is known for its harmful effects.
    • PCBs (Polychlorinated Biphenyls) were used in electrical equipment and other applications but are also toxic.
    • Asbestos is a mineral previously used for insulation and fireproofing, known for its health risks but not related to paper pulp bleaching.

Thus, Dioxins is the correct answer.

This problem has been solved

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