Chemistry General Knowledge [GK] Questions and answers for - TopicsExpress

Chemistry General Knowledge [GK] Questions and answers for preparing all PSC, SSC and other Competitive Examinations. keralapscblog ELEMENTS 1. Most abundant element in the Universe? Answer: Hydrogen 2. Number of discovered elements? Answer: 120 3. Names are given to ........ elements? Answer: 112 4. 112th element in periodic table? Answer: Coppernicium 5. 43rd element in periodic table? Answer: Technetium 6. First artificial element? Answer: Technetium 7. Lightest gas at S.T.P? Answer: Hydrogen 8. Simplest element gas? Answer: Hydrogen 9. Element Common to all acids? Answer: Hydrogen 10. Most abundant element in the human body? Answer: Oxygen 11. Most common element by weight in Earth’s crust? Answer: Oxygen 12. Most ductile element? Answer: Gold 13. Most conductive metal? Answer: Silver 14. Most abundant metallic element in the human body? Answer: Calcium 15. Most abundant element in the earth’s atmosphere? Answer: Nitrogen 16. Most abundant metallic element in the earth’s crust? Answer: Aluminium 17. The metal most used for house hold purpose? Answer: Aluminium 18. The metal contained in clay? Answer: Aluminium 19. The heaviest gaseous element? Answer: Radon 20. Rarest element in the earth’s atmosphere? Answer: Radon Read the remaining questions and for downloading visit: keralapscblog/2013/06/psc-gk-questions-and-answers.html

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