Periodic Classification Mcqs
Our collections of Multiple choice questions and answers focuses on study of Periodic Classification in Chemistry. These questions are chosen from a collection of most authoritative and best reference books on Chemistry. Our aim is to prepare an individual for competitive exams like NTS, GAT, ECAT, MDCAT, Teaching jobs Tests and Chemical industry job interviews. One should practice our Mcqs to assimilate Periodic Classification in Chemistry comprehensively.
49. Which one of the following element has highest exidation state in its compounds?
Cr
Mn
Sn
O
50. Which of the following cannot exist in solution
O-2
H+
Cl-
Na+