Archive
21st of September 2015
Chemistry
Q:

what is the valency of copper in - 1- CuSO4

2- Cu2O

Spsslucknow -virendra Tripathi - ICSE - Class VII

Friday, September 18, 2015 at 20:15:PM

A:

Valency of copper in CuSO4 is +2.

Valency of copper in Cu2O is +1.

Monday, September 21, 2015 at 18:08:PM