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Pharmaceutical Chemistry I (Pharmacy Allopathy) - MCQs


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Q355.
Which of the following pair is a conjugate acid-- base pair?
  • A. CH3COOH and OH--
  • B. HCN and CN--
  • C. HCN and OH--
  • D. HCl and OH--

    Discuss    
Q356.
What is the PH of a solution that has a hydrogen ion cons. of 1*10 -9M?
  • A. 4
  • B. 6
  • C. 9
  • D. 3

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Q357.
Which of the following equations best represents what happens when hydrogen bromide dissolves in water--
  • A. 2HB H2O----->Br2+H
  • B. HBr(g) H2o----->H(aq.)+Br(aq.)
  • C. HBr------>H+(aq,)+Br--(aq.)
  • D. HBr(g)+H2O---->Br --(aq.)+H3O+(aq)

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Q358.
In general when an acid and a base are mixed--
  • A. A new acid and a salt are formed
  • B. A new base and a salt are formed
  • C. No reaction occurs
  • D. A salt and water are formed

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Q359.
Which of the following is not property of base?
  • A. Bitter taste
  • B. Turn red litmus blue
  • C. React with base to form acid
  • D. Feel slippery on the skin

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Q360.
Which of the following is not a properties of acid?
  • A. Sour taste
  • B. Turn blue litmus red
  • C. React with base to form water
  • D. Feel slippery on the skin

    Discuss