Electrolysis – IGCSE Exam with Complete Solutions Graded A+++

Electrolysis – IGCSE Exam with Complete Solutions Graded A+++ Define reduction? - Correct Answer Gain of electrons Define oxidation? - Correct Answer Loss of electrons What is electrolysis? - Correct Answer • the breakdown of an ionic compound, • in a molten or in aqueous solution, • by the passage of electricity What is an electrolyte? - Correct Answer o ionic compound in o molten or dissolved solution that o conducts the electricity. Liquids that are good conductors of electricity Define a conductor? - Correct Answer A material that allows heat and electricity to pass through it. Define an insulator? - Correct Answer A material that does not allow heat or electrons to move through it easily. Define molten? - Correct Answer melted by heat During electrolysis what do you understand by the term 'discharge'? - Correct Answer loses its charge, becomes neutral inert substance is ........ - Correct Answer unreactive non-electrolytes are ...... - Correct Answer Liquids that do not conduct electricity