12th Board Exam Chemistry Most VVI Objective Question d Block & f Block Elements Chapter
12th Board Exam Chemistry Most VVI Objective Question d Block & f Block Elements Chapter 8. ‘d’ BLOCK AND ‘f’ BLOCK ELEMENTS 1. Copper is a member of: (A) First transition series (B) Second transition series (C) Third transition series (D) Fourth transition series Answer :- (A) 2. Oxidation number of gold metal is : […]
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