Match List I with List II

List - I (Name of the test)	List - II (Reaction sequence involved) [M is metal]
A. Borax bead test	I. \(MCO _3 \rightarrow MO\) \(\xrightarrow{ Co \left( NO _3\right)_2}\) \(CoO \cdot MO\)
B. Charcoal cavity test	II. \(MCO _3 \rightarrow MCl _2 \rightarrow M ^{2+}\)
C. Cobalt nitrate test	III. \(MSO _4 \xrightarrow[\Delta]{ Na _2 B_4 O _7} M \left( BO _2\right)_2 \rightarrow MBO _2 \rightarrow M\)
D. Flame test	IV. \(MSO _4 \xrightarrow[\Delta]{ Na _2 CO _3} MCO _3 \rightarrow MO \rightarrow M\)

Choose the correct answer from the options given below :

1. A A-III, B-II, C-IV, D-I
2. B A-III, B-IV, C-I, D-II
3. C A-III, B-I, C-II, D-IV
4. D A-III, B-I, C-IV, D-II