pH and Buffer

Explain the importance of buffer solutions.

• Buffer solutions have no impact on any processes.

• Buffer solutions are only used in theoretical scenarios.

• Buffer solutions are only used in one specific field of study.

• Buffer solutions are crucial for various biological, chemical, and industrial processes.

Tags

NGSS.HS-LS2-3

What is the buffer capacity of a buffer solution?

• Buffer capacity is calculated based on the volume of the solution

• Buffer capacity of a buffer solution is determined by the concentrations of the weak acid and its conjugate base in the solution.

• Buffer capacity is influenced by the temperature of the solution

• Buffer capacity is determined by the color of the solution

Explain the concept of buffer capacity.

• Buffer capacity is influenced by the color of the buffer solution.

• Buffer capacity is determined by the temperature of the solution.

• Buffer capacity is determined by the ratio of the concentrations of the weak acid and its conjugate base in the buffer solution.

• Buffer capacity is calculated by the pH of the solution.

Name a common buffer system used in laboratory settings.

• Phosphate buffer system

• Nitric acid buffer system

• Acetic acid buffer system

• Sulfuric acid buffer system

What is the pH range for acidic solutions?

• 0 to 14

• 0 to 8.99

• 0 to 6.99

• 1 to 7.99

The pH of body fluids is tabilised by buffer systems. which of te following is the most effective buffer system at physiological pH?

• Protein buffer

• Bicarbonate Buffer

• Phosphate Buffer

• All of the above

• UFFER

An acid has a pH

• higher than 7

• lower than 7

• 7

• greater than 14

Who invented the pH scale?

• S.P.L.Sorenson

• Benjamin Franklin

• Henry Moseley

• Wilhelmina Rontgen

What is normal ratio of bicarbonate buffer in blood?

• 10:1

• 20:2

• 20:1

• 1:20

————- is known as the alkali reserve of blood.

Tags

NGSS.HS-LS1-3