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ChemistryNECO SSCE2009

Options:

A.
B.
C.
D.
E.
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Earlier discussion

2 older comments kept for context.

Emmanuel Ehis

Redox reaction deals with transfer of electrons
But option A does not deals wit the transfer of electrons

Pirisola Ayomikun

Yeah. The reaction option A is undergoing is called Precipitation or ionic reaction