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Chemistry

General Knowledge
36. The solute in a solution can be separated by
 
  • A. decantation
  • B. evaporation
  • C. filtration
  • D. sedimentation
 
37. The concept of an electrolyte in water was described by
 
  • A. Faraday
  • B. Ohm
  • C. Debye
  • D. Arrhenius
 
 
38. The acid present in lemon is
 
  • A. lactic acid
  • B. marlic acid
  • C. citric acid
  • D. tartaric acid
 
39. Rare gases are
 
  • A. mono atomic
  • B. di atomic
  • C. tri atomic
  • D. none of the above
 
40. The term PVC used in the plastic industry stands for
 
  • A. phosphavinyl chloride
  • B. phosphor vanadiu chloride
  • C. polyvinyl chloride
  • D. polyvinyl carbobate