Answer:
Sodium
hydroxide is formed by electrolysis of saturated brine solution (NaCI). This
process is called chlor-alkali process due to the formation of
products-chlorine and sodium hydroxide.
When
electricity is passed through concentrated solution of brine, it
decomposes to give the following products.
is produced
at anode, H2 is produced at cathode and NaoH solution is formed near
the cathode which are collected and stored separately.
(2)
Uses
of sodium hydroxide
(i)
In soap, paper, textile, petroleum and silk industry.
(ii)
As a reagent in laboratory.
(iii)
In manufacture of fats and oils. (2)
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