Chemistry Unit Review: Section 4

Which has a pH below 7?

• Acid
• Base

Which has a bitter taste?

• Base
• Acid
• flagella
• cila

Which has a slippery texture?

• Acid
• Base

What pH is the strongest base?

• 1

• 7

• 4

• 14

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

Which of the following is most likely to be basic:

• Lemon juice
• Vinegar
• Laundry detergent
• Coke

Tags

NGSS.HS-PS1-1

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

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

• oxide
• oxygen
• hydrogen
• hydroxide

Tags

NGSS.MS-PS1-2

When dissolved in water, acids produce:

• bases
• salts
• hydrogen ions
• hydroxide ions

Since some acids seemingly "eat away" certain substances, acids are ____.

• bitter
• sliipery
• corrosive
• weak