Question

A chemical compound X is used in the soap and paper industry. It is
prepared from brine.
(a) Write the chemical name, common name and chemical formula of X.
(b) Write the equation involved in its preparation.

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Answer 1

Answer:

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A chemical compound which is used in soap and paper industry is Caustic Soda (Sodium Hydroxide )

(a)Chemical name = Sodium Hydroxide,

Common name = Caustic Soda ,

Chemical Formula = NaOH

(b) It is produced by the electrolysis of a concentrated aqueous solution of Sodium Chloride (which is called brine).

= 2NaCl(aq) +2H2O(l)= 2NaOH(aq) +Cl2(g) +H2(g)

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