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What mainly increases when a small amount of acid is added during the electrolysis of water?

Answer and explanation

Correct answer: The number of ions

Pure water contains very few ions and is therefore a poor conductor of electricity. Adding a suitable acid, such as dilute sulphuric acid, increases the concentration of mobile ions in the solution. These ions carry charge between the electrodes, allowing electrolysis to proceed more readily. The acid is added to improve conductivity, not to increase water mass or give colour or hardness to the gases.

Related tags

ScienceClass10ElectrolysisIonsChemical ReactionsChemical Reactions And EquationsChemical Substances – Nature And BehaviourChemical Substances Nature And Behaviour

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