Acid, Base, and Salts

Four solutions are tested and found to have the following pH values. Which of these substances would be considered the weakest acid?

• Lemon Juice - pH=2

• Apple Juice - pH=4.5

• Shower Cleaner - pH=5.5

• Hydrogen Peroxide - pH=7

Four solutions are tested and found to have the following pH values. Which of these substances would be considered the weakest acid?

• Lemon Juice - pH=2

• Apple Juice - pH=4.5

• Shower Cleaner - pH=5.5

• Hydrogen Peroxide - pH=7

What range of values on the pH scale represent solutions with a higher ratio of hydroxide (OH^-) ions?

• below 7

• 7

• above 7

• 0-14

What range of values on the pH scale represent solutions with a higher ratio of hydroxide (OH^-) ions?

• below 7

• 7

• above 7

• 0-14

What range of values on the pH scale represent solutions with a higher ratio of hydronium (H₃O⁺) ions?

• 0-14

• below 7

• 7

• above 7

Which of the following values would represent the pH of a strong acid?

• 1

• 6

• 7

• 13

Which of the following values would represent the pH of a strong base?

• 1

• 8

• 7

• 13

Many cleaning solutions are bases. Which of the following is a common property among basic solutions?

• slippery feel

• white color

• salty taste

• sour taste

The products of a neutralization reaction are usually...

• salt and water

• an acid and a base

• a neutral solution

• carbon dioxide and oxygen

Tags

NGSS.MS-PS1-5

The products of a neutralization reaction are usually...

• salt and water

• an acid and a base

• a neutral solution

• carbon dioxide and oxygen

Tags

NGSS.MS-PS1-2