Unit Test on Acid and Bases

Which of the following is the strongest base?

• oven cleaner - 13.5

• lemon juice - 2.5

• soap - 10

• blood - 7.4

Tags

NGSS.HS-PS1-1

Which of the following is the weakest base?

• oven cleaner - 13.5

• lemon juice - 2.5

• soap - 10

• blood - 7.4

Which of the following is the strongest acid?

• oven cleaner - 13.5

• lemon juice - 2.5

• soap - 10

• blood - 7.4

Solutions that have more OH– ions than H+ ions are

• acids

• bases

• enzymes

• neutral

Solutions that have more H+ ions than OH- ions are

• acids

• bases

• enzymes

• neutral

Which of the following is the strongest base?

• soap - 10

• HCL - 0

• blood - 7.45

• soft drink - 3

Which of the following is the strongest acid?

• soap - 10

• HCL - 0

• blood - 7.45

• soft drink - 3

• detergents

• milk

• bleach

• orange juice

Tags

NGSS.MS-PS1-2

A scientist runs tests on an unknown substance. He finds that it is extremely corrosive. It produces H+ ions in solution. And, it has a pH of 1. What type of substance has he identified?

• weak acid

• strong acid

• weak base

• strong 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