One day our science teacher performs an experiment of chemical effect of current to us. We notice that bubbles of gas on positive terminal of an electrode are formed. Can you tell bubbles formed are of which gas ? option is A. hydrogen gas B. Oxygen gas C. nitrogen gas D. All the above
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Explanation:
When electrodes are immersed in water and current was passed through water bubbles of oxygen are produced. Oxygen bubbles are formed at the electrode connected to the positive terminal.
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