Electrolysis
ICSE · Class 10 · Chemistry
Most important questions from Electrolysis for ICSE Class 10 Chemistry board exam 2026. MCQs, short answer, and long answer questions with marks.
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Which of the following are strong electrolytes?
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HCl, NaOH, H2SO4
HCl, NaOH, and H2SO4 are strong electrolytes that dissociate almost completely in aqueous solution. CH3COOH (acetic acid) and NH4OH are weak electrolytes that partially dissociate.
Cations are positively charged ions.
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True
Cations are indeed positively charged ions formed when atoms lose electrons. They migrate toward the cathode during electrolysis.
Which of the following processes occur during electrolysis?
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Ion migration, Oxidation at anode, Reduction at cathode
During electrolysis, ions migrate to oppositely charged electrodes, oxidation occurs at the anode, and reduction occurs at the cathode. Elements or compounds can be formed.
In the electrochemical series, metals with higher tendency to lose electrons are placed:
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At the top
In the electrochemical series, metals are arranged in decreasing order of their tendency to lose electrons. More reactive metals like lithium are at the top.
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