Multiple choice

The process of splitting the constituents of water by passing electric current is defined as

  1. hydration

  2. electrolysis

  3. auto ionisation

  4. evaporation

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Correct Answer: electrolysis Electrolysis is the decomposition of a substance carried out by the passage of electric current. The electrolysis of water yields hydrogen at the cathode and oxygen at the anode.