Acids and Bases

________ taste bitter.

• Acids

• Bases

These feel sticky and taste sour.

• acids
• bases

Lemon juice is an example of a ___ .

• acid
• base

Soap is an example of a ___ .

• acid
• base

On the pH scale, acids are ___ ___ 7, while bases are ___ ___ 7.

• greater than / less than
• less than / greater than

When you combine an acid with a base it produces ___.

• a huge explosion
• a very dangerous gas
• a salt and water

 Which of the following is an acid?

• shampoo
• baking soda
• orange juice
• water

Tags

NGSS.HS-PS1-1

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

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

Values from 0-14 that determine the acidity of a solution

• Punnett Square
• Matrix
• pH scale
• Math number line