Acid Base Properties

Pure water has a pH of 7. Pure water _______.

• is a base

• is a neutral substance

• could be either an acid or a base

• is an acid

The following statement is true for Lewis bases EXCEPT

• Lewis bases are nucleophiles

• Lewis bases are proton donors

• Lewis bases are electron pair donor

• Lewis bases are electron rich

Which of the following is a base?

• orange juice

• water

• vinegar

• dishwashing detergent

The table shows the pH of several solutions. Which solution is the most acidic?

• vinegar

• milk

• water

• bleach

Tags

NGSS.MS-PS1-2

H₃PO₄ is an example of a ...

• acid

• base

• salt

• non-electrolyte

At what pH would all three indicators appear as yellow?

• 1.7

• 2.7

• 4.7

• 8.7

If a solution has a pH of 1.5, then litmus would turn

• red

• purple

• blue

• yellow

Acids are substances that release positively charges (a)   ions in water

Tags

NGSS.HS-PS1-1

Bases turn red litmus paper (a)   .

The (a)   scale measures the strength of acids and bases.