PPSC Past Paper CARETAKER Lahore High Court 2019 Solved MCQs, Everyday Science MCQs, PPSC Solved Past Papers MCQsWhat is the common name of Sodium Chloride?A. Salt B. Baking Soda C. Chalk D. Vinegar ______ is not a multitasking operating system?Which Muslim leader left politics after the cancellation of the partition of Bengal?