Question

when more than two ions in solution and simultaneously second ion is also precipitated it is called a​

Answer 1

co Precipitation

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Answer 2

When more than two ions in solution and simultaneously second ion is also precipitated it is called a Co-Precipitation.

Explanation:

Precipitation is the process which leads to the formation of insoluble solid separately from the solution while transforming from a dissolved substance.

The transformed solid substance which has been separated  is called as precipitate.

Co-Precipitation is the method in which two soluble substance precipitate at the same time .

With the main insoluble solid there is precipitation of other ions from a solution.