Checkpoint 2.1

Tastes bitter.

• Acids
• Bases
• Salts
• All

 Which of the following is an acid?

• shampoo
• baking soda
• orange juice
• water

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 food is the most acidic? (Use the picture)

• bananas

• lemon juice

• orange juice

• fish

When an acid and a base are mixed, what is the reaction called?

• Neutralization

• Hydrolyzed

• Hydro Ionization

• A salt and a water reaction

Vinegar, fruit juice, and cola are examples of:

• None of these

• Do not pick this one

• Bases

• Acids

Vinegar is an example of:

• An acid.

• A base.

• Neither an acid nor a base.

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

Tastes Sour

• Acids
• Bases
• Salts
• All

Feels slippery.

• Acids
• Bases
• All