Essential Chemistry for IGCSE - Electricity And Chemistry (Section 2 - No. 3)
What is the purpose of adding a salt to water during electrolysis?
To increase the water's conductivity
To decrease the water's conductivity
To prevent electrolysis
To make the water evaporate faster
Explanation
Adding salt (an electrolyte) increases the conductivity of the water, allowing the electrolysis process to occur more effectively.
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