Acids and Bases

Which of the following is a polyprotic acid?

• HCl

• HBr

• HI

• H₃PO₄

Which of the following pH levels is considered a weak base

• 12.2

• 6.8

• 7.4

• 2.4

According to Arrhenius, what are acids?

• Proton donors

• Proton acceptors

• Hydronium formers

• Hydroxide formers

According to Bronsted and Lowry, what are bases?

• Proton donors

• Proton acceptors

• Hydronium formers

• Hydroxide formers

If a solution contains more H+ than OH- ions, it will be

• an acid

• a base

• neutral

What type of reaction is this? HBr + KOH --> KBr + H₂O?

• synthesis

• decomposition

• neutralization

• single replacement

Acids typically taste (1) while bases taste (2).

• 1-sour, 2-tart

• 1-sour, 2-bitter

• 1-bitter, 2-sour

• 1-sour, 2-salty

What keeps acidic beverages from eating holes in our mouth tissues when we drink them?

• They have low pHs.

• They have high pHs.

• They are weak acids.

• We have buffers in our saliva.

Which would feel slippery if you spilled it on your hands?

• orange juice

• coffee

• bleach

• tomato juice

If the pH = 4, what is the pOH?

• 4

• 10

• 0

• 14