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Chemistry Questions and Answers

General Science
169. Another name for mercurous chloride is
 
  • A. amalgam
  • B. plaster of paris
  • C. calomel
  • D. blue vitriol
 
 
170. The foul smell or rancid butter is due to
 
  • A. phthalic acid
  • B. butyric acid
  • C. oxalic acid
  • D. amino acetic acid
 
171. The hardest variety of carbon is
 
  • A. coal
  • B. charcoal
  • C. diamond
  • D. leeco
 
172. Bleaching powder contains
 
  • A. nitrogen
  • B. chlorine
  • C. bromine
  • D. iodine