SSC CPO 2018 Chemistry GK PDF Download

SSC CPO 2018 Chemistry GK PDF Download :- 21 Questions Exam was conducted from 12 March to 16 March 2019 Q.3:- Which of the following elements/chemical compounds has the highest density? निम्नलिखित में से किस तत्व / रासायनिक यौगिक में सबसे अधिक घनत्व होता है? [13 March 2019 Eve Shift] 1. Zinc 2. Mercury 3. … Read more