Electric current is passed through a a voltmeter containing acidulated water.On which terminal is hydrogen gas discharged?
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https://www.meritnation.com/ask-answer/question/at-which-electrode-hydrogen-and-oxygen-gas-evolved-during-el/chemical-effects-of-electric-current/6677639
Kindly refer to the following link for the similar query,
https://www.meritnation.com/ask-answer/question/at-which-electrode-hydrogen-and-oxygen-gas-evolved-during-el/chemical-effects-of-electric-current/6677639