During a qualitative analysis, a student is looking for the presence of carbonate ions co3(2-) in various solid samples. which of the following tests can verify the presence of carbonate ions?
(a) adding a dilute solution of h2s
(b) adding a dilute solution of hcl
(c) adding a dilute solution of naoh
(d) adding a dilute solution of agno3
(e) adding a dilute solution of na2so4
Answers: 1
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