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Question
When electric current is passed through a conducting solution, there is a change of colour of the solution. This indicates
Options
the chemical effect of current
the heating effect of current
the magnetic effect of current
the lightning effect of current
Solution
the chemical effect of current
Explanation -
The passage of an electric current through a conducting solution causes chemical reactions. As a result, change of colour of solution occurs. This indicates the chemical effect of current.
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