PPSC Past Paper Excise & Taxation Inspector Additional Directorate Excise, 2018 Solved MCQs, Everyday Science MCQs, PPSC Solved Past Papers MCQsThe most electronegative element among the following is?A. sodium B. bromine C. fluorine D. oxygen The metal used to recover copper from a solution of copper sulphate is?He scoffed … the idea of revolution?
