PPSC Past Paper Excise & Taxation Inspector Additional Directorate Excise, 2018 Solved MCQs, Everyday Science MCQs, PPSC Solved Past Papers MCQsThe metal used to recover copper from a solution of copper sulphate is?A. Na B. Ag C. Hg D. Fe If length 3 cubic Inch, width is 3 cubic inch height, 3 cubic inch than tell the volume?The most electronegative element among the following is?