Multiple choice

When electric current is passed through acidified water by using carbon electrodes, then a chemical reaction takes place to form

  1. hydrogen gas and carbon dioxide gas

  2. hydrogen gas and nitrogen gas

  3. oxygen gas and carbon dioxide gas

  4. hydrogen gas and oxygen gas

  5. carbon dioxide gas and nitrogen gas

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

This is the correct option. When electric current is passed through acidified water by using carbon electrodes, then a chemical reaction takes place to form hydrogen gas and oxygen gas.