Chemistry Punjab PMS Paper I 2019
PUNJAB PUBLIC SERVICE COMMISSION COMBINED COMPETITIVE EXAMINATION FOR RECRUITMENT TO THE POSTS OF PROVINCIAL MANAGEMENT SERVICE-2019 SUBJECT: CHEMISTRY (PAPER – I) TIME ALLOWED: THREE HOURS MAXIMUM MARKS: 100 NOTE: Attempt Five Questions in All. Attempt in Urdu or English. Q No. 1: (a) What is meant by corrosion? How it can be explained electrochemically? Also…