Multiple choice

The group of substances, industrially prepared by electrolysis, is

  1. ethyl alcohol, chlorine and caustic soda

  2. caustic soda, chlorine and aluminium

  3. nitrogen, oxygen and aluminium

  4. sugar, common salt and iron
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The Chlor-alkali process involves the electrolysis of brine (NaCl solution) to produce caustic soda (NaOH) and chlorine gas. Aluminium is also produced industrially via electrolysis.

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