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Review

Note for sample: Periodically, an ongoing comprehension check is made. In this case the statement is TRUE. Try clicking on True and then try clicking on NOT TRUE to get an idea about how this works.

Please review the statement or material given below. Is this true and/or correct? Select the most usual and commonly applicable response.

The reactions between bleaching chemicals and pulp are very complex. The chemicals react with all of the components of pulp simultaneously. So they not only react with lignin in the delignifying and brightening process of the pulp, but they also react with the cellulose and may decrease the strength of the pulp.

 

 

 
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