Chemistry Question and Answers - TNPSC

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CHEMISTRY QUESTIONS AND ANSWERS 41 to 45

41. Which substance is obtained by the hydrolysis of oil?

glycerol

42. Which variety of glass is heat resistant?

pyrex glass

43. Which is the heaviest metal?

mercury

44. Normal valency of nitrogen is

3

45. Radon is

inert gas

More Chemistry QUESTIONS AND ANSWERS available in next pages

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