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Hollander beater used during paper pulp manufacture does not facilitate the __________ of fibre.

A. Cutting

B. Fibrillation

C. Hydration

D. Strengthening

Please do not use chat terms. Example: avoid using "grt" instead of "great".

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  22. Hydrochloric acid is also known as
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  27. A bio-catalyst produced by living cells which acts independent of the cell is called a/an
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