Acids and Bases

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

Which of the following is most likely to be basic:

• Lemon juice
• Vinegar
• Laundry detergent
• Coke

Tags

NGSS.HS-PS1-1

Tastes Sour

• Acids
• Bases
• Salts
• All

Tags

NGSS.HS-PS1-1

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

• H+ ions

• OH- ions

A substance is found to have the following characteristics:

Very bitter taste

Feels slippery to the touch

Produces OH- ions when dissolved in water

In what category would the substance be classified?

• acid

• base

• enzyme

• fatty acid

Tags

NGSS.MS-PS1-2

Which of the following statements is correct?

• Blue litmus paper turns red when placed in a base.
• Red litmus paper turns blue when placed in a base.
• Blue litmus paper stays blue when placed in an acid.
• Red litmus paper stays red when placed in a base.

Tags

NGSS.MS-PS1-2