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Question
The common bleaching agent of recycled paper is
The common bleaching agent of recycled paper is
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Solution
The correct option is B Chlorine
Paper recycling is a process wherein, the paper that is used, discarded by the consumer, is collected and transported to paper mills. The papers are mixed with water and chemicals, broken down, converted into paper pulp and transformed into reusable form. The pulp which is obtained is colored and bleaching is performed to remove the color. The chemicals which are used for bleaching are hydrogen peroxide, sodium hydrosulfite or sodium dithionite. These chemicals helps in deinking of the pulp and increasing brightness. Thus, the correct answer is option D.
Paper recycling is a process wherein, the paper that is used, discarded by the consumer, is collected and transported to paper mills. The papers are mixed with water and chemicals, broken down, converted into paper pulp and transformed into reusable form. The pulp which is obtained is colored and bleaching is performed to remove the color. The chemicals which are used for bleaching are hydrogen peroxide, sodium hydrosulfite or sodium dithionite. These chemicals helps in deinking of the pulp and increasing brightness.
Thus, the correct answer is option D.
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