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| Buffers are essential in chemistry and biology for maintaining stable pH levels in solutions, crucial for various biochemical and industrial processes. Buffer solutions consist of a weak acid and its conjugate base (or vice versa), which resist changes in pH upon addition of small amounts of acid or base.
In Buffers and Buffer Solutions, understanding their properties is key. MCQs on buffers and buffer solutions often cover topics such as identifying effective buffer components, calculating pH changes upon addition of acids or bases, and recognizing the importance of buffer capacity in maintaining pH stability. Buffer capacity multiple choice questions assess the ability of a buffer to resist pH changes, influenced by the concentrations of the buffer components. Buffer preparation MCQs focus on the correct methods and concentrations required to prepare effective buffer solutions for specific pH ranges. pH control exam questions delve into applications of buffers in scenarios requiring precise pH adjustment, such as in biological systems or chemical processes. Buffer systems MCQs explore different types of buffer systems, including biological buffers like the phosphate buffer system in cells or industrial buffers used in manufacturing processes. |
Buffers and Buffer Solutions Online Quiz
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- Test Name: Buffers and Buffer Solutions MCQ Quiz Practice
- Type: Quiz Test
- Total Questions: 40
- Total Marks: 40
- Time: 40 minutes
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Buffers and Buffer Solutions Flashcards
A buffer solution
Buffers are made from
The main role of a buffer is to
A common example of a buffer system is
The pH of a buffer solution depends on
The buffer capacity is
The Henderson-Hasselbalch equation is used to
In the Henderson-Hasselbalch equation, pH = pKa + log([A-]/[HA]), [A-] represents
In the Henderson-Hasselbalch equation, pH = pKa + log([A-]/[HA]), [HA] represents
A buffer solution can be made by mixing
The pH of a buffer solution is 4.5. If the pKa of the acid is 4.5, then the ratio [A-]/[HA] is
A buffer is most effective when
The buffering region of a buffer is typically
Blood is an example of a
The bicarbonate buffer system in blood maintains a pH around
A buffer with a higher concentration of acid and its conjugate base will have a
To prepare a buffer solution of pH 7, you would choose an acid with a pKa of
When a small amount of acid is added to a buffer solution, the pH
When a small amount of base is added to a buffer solution, the pH
The phosphate buffer system is important in
Ammonium chloride and ammonia form a buffer system. Ammonia acts as
The addition of a strong acid to a buffer solution will result in
The addition of a strong base to a buffer solution will result in
Buffer solutions are important in
A solution with equal concentrations of a weak acid and its conjugate base has a pH
A buffer solution is less effective when
Which of the following can act as a buffer?
A buffer system can be destroyed by
The main component of the intracellular buffer system is
The effectiveness of a buffer is reduced when
The buffering capacity is maximum when
Buffers are crucial in maintaining the pH of
When an acid is added to a buffer, it reacts with
When a base is added to a buffer, it reacts with
The presence of a buffer in a solution
The optimal pH range of a buffer is determined by
Buffers are essential in biochemical assays to
A weak acid and its conjugate base are found in
The effectiveness of a buffer solution is known as
Buffers can resist changes in pH when small amounts of
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