1.

How is caustic soda obtained? Mention its uses.

Answer»

SOLUTION :Caustic Soda (NaOH) is manufactured by electrolysis of AQUEOUS solution of SODIUM chloride (Brine). This method is called chloroalkali process.
`2NaCl (AQ) + 2H_2O (l) to 2NAOH(aq) + Cl_2 + H_2`
Sodium hydroxide is used in making soaps and detergents, degreasing metals, paper making and artificial fibers like rayon


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