Acid and Bases Review

Arrhenius acid is:

• releases hydrogen ions in water

• releases hydroxide ions in water

• proton acceptor

• proton donor

Arrhenius base is:

• releases hydrogen ions in water

• releases hydroxide ions in water

• proton acceptor

• proton donor

Classify this compound:

Ca(OH)₂

• acid

• base

• salt

• more than one answer

Classify this compound:

HNO₃

• acid

• base

• salt

• more than one answer

Classify this compound:

HOH

• acid

• base

• salt

• more than one answer

If an acid is combined with a base of equal strength, the result will most likely be

• a neutral solution.
• a stronger acid.
• impossible to tell without testing the pH.
• a stronger base

Tags

NGSS.MS-PS1-2

Holly has an unknown substance in a beaker. She wants to determine the relative pH of the unknown substance. She places a piece of blue litmus paper into the substance, and the litmus paper stays blue.
The substance in the beaker

• is a base.
• has a neutral pH.
  
• is an acid.
• does not have a pH.

Which of the following is a base?

• orange juice
• water
• vinegar
• dishwashing detergent

 Which of the following is an acid?

• shampoo
• baking soda
• orange juice
• water

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