Question

what are the uses of sodium hydroxide

Answer 1

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

Answer 2

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.