PPSC Past Paper Care Taker BS-14 (L&HR) 2019 Solved MCQs, Everyday Science MCQs, PPSC Solved Past Papers MCQsPermanent hardness of water may be removed by the addition of?A. Sodium Carbonate B. Alum C. Potassium Carbonate D. Lime President Idi Amin was forced to go into exile. In which did he spend his exile period and eventually die?In radiation, which of the following has strong photons?
