PPSC Past Paper ESE General Labour & Human Resource Dept-Afternoon2019 Solved MCQs, General Knowledge MCQs, PPSC Solved Past Papers MCQsWhich of the following politicians has served as the Deputy Prime Minister of Pakistan?A. Z.A Bhutto B. Zafarullah Khan Jamali C. Nur-ul-Amin Khan D. Ch. Prevez Elahi Which catalyst is used for separation of Oxygen and Hydrogen in water?The inner core of an optical fiber is _________ in composition?