AP Acids and Bases 16.1-16.5

The pH of a solution is tested, and it is found to be a basic solution. Of the following choices, what could the pH have been?

• 3
• 9
• 7
• 5

Human blood has a pH between 7.35 and 7.45. Which of the following best describes human blood?

• strongly acidic
• slightly acidic
• strongly basic
• slightly basic

Tags

NGSS.MS-PS1-2

Which of these pH values would indicate that a solution is a weak base?

• 4
• 5.6
• 8
• 13

When dissolved in water, acids produce:

• bases
• salts
• hydrogen ions
• hydroxide ions

Tags

NGSS.MS-PS1-2

Which type of ion does a base produce when it is dissolved in water?

• oxide
• oxygen
• hydrogen
• hydroxide

Tags

NGSS.MS-PS1-2

Pure water has a pH of 7. Pure water _______.

• is a base
• is a neutral substance
• could be either an acid or a base
• is an acid

Which is the stronger acid?

• pH 1
• pH 4
• pH 8
• pH 13

What methods can you use to measure the pH of a solution?

• Observing color or clarity
• Measuring mass or volume
• Measuring density or electrical conductivity
• Using acid base-indicators or pH meters

What does the pH scale measure?

• the concentration of hydrogen ions

• the concentration of hydroxide ions

• the temperature of the water in a swimming pool

• the amount of phosphorus in a compound

Which is most acidic?

• milk
• Lemon Juice
• bleach

Tags

NGSS.MS-PS1-2