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(d) None
(b) Ag₂S
(c) both a, b
(a) CuCO₃
Alluminium strip is dipped in FeSO solution and change that is 4 observed is-
(d) None
(d) None
See lessSilver articles become black on dulongated exposure of air due to-
(b) Ag₂S
(b) Ag₂S
See lessRusting of from takes place in
(c) both a, b
(c) both a, b
See lessGreen colour coating on copper utensils is due to the formation of —
(a) CuCO₃
(a) CuCO₃
See less