The valency of Copper in Cu2O is ………………… A) + 1 B) + 2
The valency of Copper in Cu2O is …………………
A) + 1
B) + 2
C) + 3
D) – 1
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The valency of Copper in Cu2O is …………………
A) + 1
B) + 2
C) + 3
D) – 1