PPSC Past Paper ESE General Labour & Human Resource Dept-Afternoon2019 Solved MCQs, Everyday Science MCQs, PPSC Solved Past Papers MCQsWhich of the following is not a Chemical Reaction?A. Burning of a paper B. Conversation of water into steam C. Digestion of food D. Burning of coal Choose the correct pronoun: The students _____ test grades were low had to come back after school for an extra lesson?Nelson Mandela was released from the prison in?