Essential Chemistry for IGCSE - Chemical Reactions (Section 1 - No. 7)
Which of the following statements is the best description of the term 'redox reaction'?
A reaction in which no electrons are transferred.
A reaction involving the transfer of electrons.
A reaction that does not change the oxidation numbers of the atoms involved.
A reaction that involves the formation of a precipitate.
Explanation
A redox reaction involves the transfer of electrons (reduction and oxidation).
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