MCQ
Silvering of mirror is done by
- ✓$AgN{O_3}$
- B$A{g_2}{O_3}$
- C$F{e_2}{O_3}$
- D$A{l_2}{O_3}$
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(image) $\xrightarrow{{[O]}}A\xrightarrow{{SOC{l_2}}}B\xrightarrow{{Na{N_3}}}C\xrightarrow{{Heat}}D$
(At. No. $Cr = 24, Mn = 25, $$Fe = 26, Ni = 28$)


[At. No.: $Cr= 24,\,Mn= 25, \,Fe= 26, \,Co= 27$]