pH
Indicators
Titration
Properties of Acids and Bases
Indicators 2
100

pH less than 7........

acids 

100

How do indicators indicate?  (What changes?)

Their color

100

Titration is a method to neutralize solutions 

true or false?

true

100

Has a bitter taste

Base

100

Indicators change color based on the _____ of a substance.

pH

200
pH of exactly 7 is called this.

Neutral

200

If a substance has a pH of 2.0, what color will it turn methyl orange?

red

200

The neutralization is characterized by a color change of one of these.

What are indicators.
200

Has sour taste

acid

200

Thymol blue will be blue if the pH of a substance is 

a) more than 9.6

b) less than 8.0

More than 9.6

300

As the pH goes from 7 to 0, do acids get stronger or weaker?

Stronger

300

Which would turn phenolphthalein pink - an acid or a base?

A base

300

You knew the titration was complete when what happened?

The indicator turned pink

300

Has a pH higher than 7.

Base 

300

If I test my pool water with litmus and it turns red, my water is

a) and acid

b) a base

Acid

400

What has a lower pH - lemon juice or soap?

Lemon juice

400

Bases  turn litmus __________________

a.) red

b.) blue

blue

400

Which of the following is an acid?

a.) NaBr

b.) HSO4

c.) KOH

HSO4

400

Bromcresol green turns _____ in substance with a pH of 4.8.

green

500

Name one way to raise the pH of a strong acid.

Dilute with water or add a base

500

What would be the pH range of a substance that turned bromthymol blue to green?

6.0 to 7.6

500

The more base needed to neutralize an acid the _____________ the acid is.

stronger (or other reasonable answer)
500

Which of the following is an example of a Base?

a.) NaBr

b.) HSO4

c.) KOH

KOH

500

Bromthymol blue would turn _____ in a neutral substance.

green