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--
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
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)
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
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
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
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