pH

Question 1

pH stands for _______

Answer 1

power/potential of hydrogen

Question 2

is a quantitative measure of the acidity and alkalinity of liquid solutions.

Answer 2

pH

Question 3

pH is measured on a scale of ______

Answer 3

0 to 14

Question 4

Low pH corresponds to what?

Answer 4

high concentration of H

Question 5

High pH values correspond to what?

Answer 5

low concentration of H

Question 6

true or false: pH is directly related to the ratio of H and OH solutions

Answer 6

true

Question 7

The pH of the human body ranges between _______

Answer 7

7.35 to 7.45,

Question 8

Average pH of human body with the absence of pathological state

Answer 8

7.40

Question 9

This pH level (7.40) is ideal for many biological processes, one of the most important being the ______

Answer 9

oxygenation of blood

Question 10

caused by an overproduction of acid that builds up in the blood or excessive loss of bicarbonate from the blood (metabolic acidosis)

Answer 10

Acidosis

Question 11

Caused by a buildup of carbon dioxide in the blood the result from poor lung function or depressed breathing

Answer 11

Acidosis

Question 12

a condition in which the body fluids have excess base (alkali).

Answer 12

Alkalosis

Question 13

This is opposite of excess acid (acidosis).

Answer 13

Alkalosis

Question 14

What makes the body too alkaline?

Answer 14

decreased carbon dioxide or increased bicarbonate

Question 15

an increase in the hydrogen ion concentration of the blood, resulting in a decrease in pH.

Answer 15

Acidemia

Question 16

a decrease in the hydrogen ion concentration in the blood, resulting in an increase in pH.

Answer 16

Alkalemia

Question 17

A pH level can be measured by using?

Answer 17

pH strips/paper
pH indicator
pH meter

Question 18

methods of pH determination

Answer 18

Electrometric method
colorimetric method

Question 19

based on the property of acid-base indicator dyes, which produce color depending on the pH of the sample.

Answer 19

Colorimetric method

Question 20

Colorimetric method: The color change can be measured as an absorbance change _________

Answer 20

Spectrophotometrically

Question 21

is a chemical added in a small amount to a solution that causes a color change depending on the pH.

Answer 21

pH indicator or acid-base indicator

Question 22

True or false: an indicator shifts color at precise pH of hydrogen

Answer 22

False

Question 23

True or False: an indicator color change occurs over a range of hydrogen ion concentration

Answer 23

true

Question 24

Titrate a weak acid using an indicator that ____________

Answer 24

changes under slightly alkaline solutions

Question 25

Titrate a weak base using an indicator that ___________

Answer 25

changes color at a slightly acidic pH

Question 26

When titrating strong acids or bases, aim for a pH indicator that ________

Answer 26

displays color change near a neutral pH

Question 27

a method used to determine the pH level of a sample using ion-sensitive electrodes.

Answer 27

Electrometric method

Question 28

a laboratory equipment being used to measure the acidity or alkalinity of a solution.

Answer 28

pH meter

Question 29

pH meter measures the concentration of hydrogen ions using an ___________

Answer 29

ion-sensitive electrodes

Question 30

It is the most reliable and convenient method for measuring pH

Answer 30

pH meter