1.

Microcosmic salt reacts with coloured ions to form characteristic bead which is due to formation

Answer»

Borates
Metaphosphates
Metaborates
Phosphates.

Solution :`underset(("Sod. META phosphae"))(NA(NH_(4))HPO_(4))rarrNaPO_(3)+NH_(3)+H_(2)O`
`NaPO_(3)+CuOrarrNaCuPO_(4)`(Blue mass)


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