What does a positive test for an ion mean?
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A positive test for an ion means that the test shows the ion to be present. For example, adding AgNO3 to an aqueous solution is a positive test for chloride ion if a white precipitate, which will dissolve in NH3 solution and reppt by adding dilute HNO3, appears.
It showed chemical change and reacation
I have no clue
1 answer