On 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?
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Answer: the bubbles which you noticed from the positive terminal were Hydrogen.
Explanation: If electrodes were immersed in water and a current was passed bubbles of oxygen and hydrogen were produced. Oxygen bubbles formed on the electrode connected to the positive terminal of the battery and hydrogen bubble formed on the other electrode.
this experiment was conducted by a British chemist, William Nicholson in 1800.
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Answer:
(a) hydrogen gas.
Explanation:
100% correct answer.
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