Acids & Bases

Which of these pH values represent an acid?

• 4

• 8

• 10

• 12

The pH value of an acid represents its __________ of positive Hydrogen ions in the solution

• amount

• concentration

• color

• charge

Which of the following is the strongest 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

Tags

NGSS.MS-PS1-2

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

Neutral solutions have a pH of:

• 0

• 1

• 7

• 14

Which is the correct equation for calculating pH?

• pH = log[H⁺]

• pH = -log[H⁺]

• pH = 10^-[H+]

• pH = In[H⁺]

Which of the following is an Arrhenius acid?

• HCl

• KOH

• NaCl

• LiOH

What is the pH of a 0.00001 M solution?

• 1

• 9

• 5

• 4