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MCQs Pharmaceutical Inorganic Chemistry-I BPharm 1st Sem

  1. According to Arrhenius concept an acid is substance which
    1. Gives H+ ion
    2. Gives OH ion
    3. Donate
    4. Red litmus blue
  2. The electron acceptors which have high positivity and small size are
    1. Hard Bases
    2. Hard Acids
    3. Soft Base
    4. Hard Acids
  3. What is H+ ion concentration for distilled water
    1. 10-14
    2. 1014
    3. 10-7 
    4. 107
  4. The pH of a solution equals to
    1. Positive logarithm of OH ion
    2. Negative logarithm of OHion
    3. Positive logarithm of H+
    4. Negative logarithm of H+ ion
  5. Which statement is correct about pH of acid
    1. Above 7 
    2. Between 8 & 9
    3. Below 7
    4. 7
  6. A strong acid has large
    1. K
    2. Kb
    3. pKa
    4. pKb
  7. The pH of solution having hydrogen ion concentration 4.2 x 10-4 is
    1. 3.
    2. 2.5
    3. 4.7
    4. 5.89
  8. As the pH+ increases pOH ion
    1. increases
    2. decreases
    3. neither increase nor decrease
    4. none of the above
  9. According to Lewis Concept
    1. Acid is proton donor
    2. Acid is electron pair donor
    3. Base is electron pair donor
    4. Base is electron accepter
  10. Which of the following represents property of Soft Bases
    1. High positive charge
    2. Low positive charge
    3. High electronegativity
    4. Low electronegativity     
  11. The normal human blood pH is
    1. 5.5-6.5
    2. 8.8-9.6
    3. 7.35-7.45
    4. 2.35-3.78 
  12. Buffers are mixture of
    1. acid & Strong base
    2. Weak base & Weak acid
    3. Weak acid & salt
    4. None of above
  13. Role of buffers in pharmacy is related to
    1. Stability
    2. Solubility
    3. Color
    4. All of the above
  14. pH of buffer solution depend upon
    1. acid(H+)
    2. conjugate base
    3. Salt
    4. Both a & b
  15. HCl can be prepared by reacting NaCl with
    1. H2SO4
    2. NaHSO4
    3. Both a & b     
    4. None of the above
  16. The amount of acid or base that must be added to buffer to produce a unit change of pH is
    1. Buffer Solution
    2. Buffer Action
    3. Buffer Capacity
    4. None of above
  17. The pH of human blood remain constant due to which of the chemicals
    1. CO2
    2. Proteins
    3. Amino acids
    4. All of above
  18. The increased level of carbon dioxide in blood leads to
    1. Acidosis
    2. Alkalosis
    3. Both a & b
    4. None
  19. What is pH range of gastric juices
    1. 4.5-7
    2. 1.5-3.5
    3. 7.3-8
    4. 6-8
  20. If blood pH is higher than 7.3 it is termed as
    1. Alkalosis
    2. Acidosis
    3. Both a & b
    4. None of above

Answer Key:

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Ans.abcdcaabadccddccdaba

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