PPSC Past Paper Excise & Taxation Inspector D G Khan Region Excise, Taxation & Narcotics Control Department 2018 Solved MCQs, General Knowledge MCQs, PPSC Solved Past Papers MCQsAccording to recent research in University of Berlin, which of the following element can make bond with more four atoms that has previously seen as its limit?A. Silicon B. Carbon C. Germanium D. Francium Pakistan’s National Anthem was approved by the Government in?A high quality CAD system uses____________ for printing drawing and graphs?