Acids and Bases

___: a substance with extra hydrogen ions (H+)

• acid

• base

• neutral

___: a substance with extra hydroxide ions (OH-)

• acid

• base

• neutral

___: a substance with a balance of hydrogen and hydroxide ions (H+ = OH-)

• acid

• base

• neutral

Acidic substances are usually ___ to taste.

• sweet

• sour

• bitter

• salty

Tags

NGSS.MS-LS1-8

Basic substances are usually ___ to taste.

• sweet

• sour

• bitter

• salty

Tags

NGSS.MS-LS1-8

pH stands for ___.

• Potency of Hydrogen

• Powerfulness of Hydrogen

• Prediction of Hydrogen

• Potential of Hydrogen

On the pH scale, a neutral substance would be ___.

• lower than 7

• higher than 7

• exactly 7

The lower the pH, ___.

• the stronger the base

• the stronger the acid

• the weaker the base

• the weaker the acid

Ammonia is a very strong ___.

• acid

• base

• neutral

Tags

NGSS.HS-PS1-2

Which of the following is a basic substance?

• soap

• vinegar

• grape juice

• lemonade