Acids and Bases Review

Which of these pH values represent an acid?

• 4

• 8

• 10

• 12

Acids react with

• water to produce bases and salts
• salts to produce bases and water
• neither bases, salts nor water
• bases to produce salts and water

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

HF is...

• an acid

• a base

• a salt

• an ionic compound

KOH is ...

• an acid

• a base

• a salt

• an ionic compound

What is the pH of a solution where the [H+] is 1.0 x 10^-11?

• 11

• 13

• 14

• 1

What is the [H⁺] if the pH is 4.0?

*remember [ ] means concentration*

• 1.0 x 10^-10 M

• 1.0 x 10^-4 M

• 1.0 x 10^-14 M

• 1.0 x 10^-7 M

What is a titration?

• when the moles of hydrogen ions is equal to the moles of hydroxide ions

• adding a known amount of solution of known concentration to determine the concentration of an unknown

• reaction in which an acid and a base react in an aqueous solution to produce a salt and water

• the extent of ionization of an acid or base

Tags

NGSS.HS-PS1-5

Phenolophalein turns from clear to pink when the pH turns

• acidic

• basic

• saline

• ionic

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