(i)"Tetragens"""(a)"Oxygen" (ii)"Icosagens"""(b)"Carbon"(iii)"Chalcoge – InterviewSolution

1.	(i)"Tetragens"""(a)"Oxygen" (ii)"Icosagens"""(b)"Carbon"(iii)"Chalcogens"""©"Nitrogen"(iv)"Pnictogens"""(a)"Boron"
Answer» ANSWER :A::B::D

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