1.

Thecorrectstatementis

Answer»

`cu_(2)CI_(2)` and `Ag_(2)S ` arecoloured
Uponstrongheatingparamagneticgases areevolved by Na`NO_(3)` and `AgNO_(3)`
Greenvitriola andbluevitriol are isomorphus
`KMnO_(4)` and `K_(2)Cr_(2) O_(7)`are coloureddue to

Answer :B


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