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(A) According to Faraday's first law of electrolysis,the mass $(m)$ of a substance deposited or liberated at an electrode is directly proportional to

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Doubled

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(A) According to Faraday's first law of electrolysis,the mass $(m)$ of a substance deposited or liberated at an electrode is directly proportional to the quantity of electricity $(Q)$ passed through the electrolyte.$m = Z \cdot I \cdot t$Where $Z$ is the electrochemical equivalent,$I$ is the current,and $t$ is the time.Since $m \propto t$,if the duration of the passage of current $(t)$ is doubled,the mass $(m)$ liberated will also be doubled.

In electrolysis,if the duration of the passage of current is doubled,the mass liberated is

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