The chemicals used to soften hard water involve... - JAMB Chemistry 2012 Question
The chemicals used to soften hard water involves the addition of
A
insoluble sodium compounds which from soluble solutions of calcium and magesium
B
solube soudium compounds which from soluble solutions of calcium and magnesium ions
C
solube sodium compounds which from insoluble precipitates of calcium and magnesium ions
D
insoluble precipitates of calcium and magnesium ions
correct option: c
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