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Chemistry Questions and Answers

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36. Red phosphorous does not react with
 
  • A. zinc
  • B. chlorine
  • C. alkali
  • D. nitric acid
 
37. The concept of an electrolyte in water was described by
 
  • A. Faraday
  • B. Ohm
  • C. Arrhenius
  • D. Debye
 
 
38. The boiling point of water on the Kelvin scale
 
  • A. 270°K
  • B. 373°K
  • C. 100°K
  • D. 212°K
 
39. When the pH of a solution is zero, then it is
 
  • A. basic
  • B. water
  • C. neutral
  • D. strongly acidic
 
40. Bleaching powder is prepared by passing chlorine through
 
  • A. limestone
  • B. quicklime
  • C. milk of lime
  • D. dry slaked lime