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An important step in the manufacture of ...

An important step in the manufacture of pulp in paper industry from woody tissues of plants is

A

Removal of water form the wood by prolonged heating at approximately `50^(@)`

B

Treatment of wood with chemicals that break down cellulose

C

Removal of oils present in the wood by treatment with suitable chemicals

D

Preparation of pure cellulose by removing lignin

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The correct Answer is:
D
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