chapter 2, topic -Understanding pH and Salts

What does pH stand for?

• pressure of Hydrogen

• potential of Hydrogenation

• power of Helium

• potential of Hydrogen

On the pH scale, what value represents neutrality?

• 8

• 6

• 7

• 5

What is the range of the pH scale?

• -1 to 10

• 0 to 14

• 5 to 20

• 0 to 7

How is pH measured?

• pH is measured using a thermometer.

• pH is measured using a pH meter or pH indicator strips.

• pH is determined by taste testing.

• pH can only be measured with a microscope.

What instrument is commonly used to measure pH?

• barometer

• thermometer

• pH meter

• anemometer

What is the pH of pure water?

• 7

• 5

• 6

• 8

What happens to the pH of a solution when an acid is added?

• The pH of the solution increases.

• The pH of the solution fluctuates randomly.

• The pH of the solution decreases.

• The pH of the solution remains the same.

What happens to the pH of a solution when a base is added?

• The pH of the solution fluctuates randomly.

• The pH of the solution decreases.

• The pH of the solution remains the same.

• The pH of the solution increases.

What is the pH of a strong acid?

• pH equal to 5

• pH between 3 and 7

• pH less than 3

• pH greater than 7

What is the pH of a strong base?

• Between 7 and 10

• Less than 7

• Greater than 12

• Exactly 12