pH Scientific Notation Quiz

What does pH stand for?

• power of hydrogen

• potential of hydrogen

• percentage of hydrogen

• pressure of hydrogen

What is the pH scale used for?

• The pH scale is used to measure the acidity or alkalinity of a solution.

• The pH scale is used to measure the density of a solution.

• The pH scale is used to measure the volume of a solution.

• The pH scale is used to measure the temperature of a solution.

What is the range of the pH scale?

• 10 to 20

• 100 to 200

• 0 to 14

• -1 to 1

What is the pH value of a neutral substance?

• 7

• 14

• 10

• 1

What is the pH value of an acidic substance?

• between 7 and 14

• equal to 7

• greater than 7

• less than 7

What is the pH value of a basic substance?

• equal to 7

• greater than 7

• less than 7

• negative value

How is pH calculated?

• Using the negative logarithm (exponent) of the concentration of hydrogen ions in a solution.

• By calculating the average concentration of all ions in a solution.

• By measuring the concentration of oxygen ions in a solution.

• Using the positive logarithm (exponent) of the concentration of hydrogen ions in a solution.

What is scientific notation?

• A method used to represent complex mathematical equations

• A system for categorizing scientific discoveries

• A way of expressing numbers that are very large or very small

• A way of expressing numbers that are close to zero

How is scientific notation used in pH calculations?

• Scientific notation is used to determine the color of a solution in pH calculations.

• Scientific notation is used to calculate the volume of a solution in pH calculations.

• Scientific notation is used to represent the concentration of hydrogen ions in pH calculations.

• Scientific notation is used to represent the temperature in pH calculations.

Convert the pH value 3 into scientific notation.

• 1.0 x 10^3

• 3 x 10^1

• 1.0 x 10^-3

• 3 x 10^-3