Which of the following is / are correctly matched ?

Options

A. `{:("Column-I(Metals)","Calumn-II(Process used for extraction)"),("Titanium","Kroll process"):}`
B. `{:("Column-I(Metals)","Calumn-II(Process used for extraction)"),("Aluminium","Baeyer process"):}`
C. `{:("Column-I(Metals)","Calumn-II(Process used for extraction)"),("Chromium","Thermite process"):}`
D. `{:("Column-I(Metals)","Calumn-II(Process used for extraction)"),("Silver","Mac-Arthur cyanide process"):}`

Answer

A, C, D