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Chemistry Questions and Answers

General Science
89. The latin name of Vinegar is
 
  • A. formica
  • B. bacterium
  • C. acetum
  • D. butyrum
 
 
90. Magnetite is an ore of
 
  • A. copper
  • B. iron
  • C. zinc
  • D. aluminum
 
91. The chemical added to the colourless LPG cooking gas to give odour is
 
  • A. nitrogen
  • B. bromine
  • C. Chlorine
  • D. sulphur
 
92. Which one of the following is used in the manufacture of rayon?
 
  • A. ethanol
  • B. acetone
  • C. acetic acid
  • D. acetaldehyde