It is used in many factories it is used in manufacture of pulp and paper, textiles, drinking water, soaps and  detergents.Sodium Hydroxide is also used quite a bit in food processing.It is also used for removing paint

This Is a Certified Answer

Certified answers contain reliable, trustworthy information vouched for by a hand-picked team of experts. Brainly has millions of high quality answers, all of them carefully moderated by our most trusted community members, but certified answers are the finest of the finest.
It is major ingredient in drain and oven cleaners.
It is used in chemical manufacturing, oil refining, hydraulic fracturing, water treatment and metal processing.
It is used in the manufacture of fabric, plastic wrap, paper and soap.