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Electrochemistry
Chemistry · Kerala SSLC (Class 10) · English Medium · 40 questions and answers
Sample questions
- Q: What is electrochemistry?
- A: The branch of chemistry that deals with the interconversion of chemical energy and electrical energy.
- Q: What are electrolytes?
- A: Substances that conduct electricity in molten state or in aqueous solution due to the movement of ions. Example: NaCl solution, dilute H₂SO₄.
- Q: What is electrolysis?
- A: The chemical decomposition of an electrolyte by passing an electric current through it.
- Q: What happens at the cathode and anode during electrolysis?
- A: At the cathode (negative electrode) reduction occurs (cations gain electrons); at the anode (positive electrode) oxidation occurs (anions lose electrons).
- Q: What is oxidation in terms of electrons?
- A: Oxidation is the loss of electrons by a species.
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