Caustic soda is not used in this industry
a) textile b) rayonc) soap d) cement
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The correct statement will be, “Caustic soda is not used in the cement industry’.
The versatile alkali of caustic soda – sodium hydroxide is used excessively for the manufacturing process of paper, pulp, detergents, soap, alumina, and other chemical production.
It is also used in the bleaching process that can de-link the water and water paper.
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