Match List-I with List-II. List-I (Name of the test) List-II (Reaction sequence involved)…

List-I
(Name of the test)

List-II
(Reaction sequence involved)
[M is metal]

(A)

 Borax bead test

(I)

 MCO₃ → MO \(\mathrm{Co}\left(\mathrm{NO}_{3}\right) 2\)CoO.MO

(B)

 Charcoal cavity test

(II)

 MCO₃ → MCl₂ → M²⁺

(C)

 Cobalt nitrate test

(III)

 MSO₄ \(\xrightarrow[\Delta]{\mathrm{Nu}_{2} \mathrm{~B}_{4} \mathrm{O}_{7}}\)M(BO2)2 → MBO₂ → M

(D)

 Flame test

(IV)

 MSO₄ \(\xrightarrow[\Delta]{\mathrm{Nu}_{2} \mathrm{CO}_{3}}\)MCO₃ → MO → M