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