WorksheetspH & Indicators
Total questions: 10
Worksheet time: 5mins
Which solution can turn phenolphthalein pink?
NaOH(aq)
CH3COOH(aq)
CH2OH(aq)
HCl(aq)
Household vinegar has a pH of approximately 3.0. Which would appear yellow when added to a vinegar solution?
Methyl orange
Bromcresol green
Phenophthalein
Litmus
Which solution would turn litmus red?
KOH(aq)
NaCl(aq)
HCl(aq)
NH3(aq)
Which solution would turn litmus blue?
HCl(aq)
CH3COOH(aq)
H2SO3(aq)
NH3(aq)
Phenolphthalein has a pink color in a solution that has a pH of
5
11
1
7
Which indicators would cause a solution with a pH of 2 to turn red?
Bromthymol blue and thymol blue
Bromcresol green and litmus
Litmus and methyl orange
Methyl orange and phenolphthalein
An indicator was used to test a water solution with a pH of 3. Which indicator color would be observed?
Yellow with methyl orange
Pink with phenolphthalein
Blue with litmus
Yellow with bromcresol green
To neutralize a solution of HCl(aq), what solution should be added?
NaOH(aq)
H3PO4(aq)
HNO3(aq)
C12H22O11(aq)
At what pH will bromthymol blue, thymol blue, and bromcresol all be yellow?
4
2
7
5
Which of the following colors are false with a solution with a pH of 9?
Litmus will beblue
Bromthymol blue will be yellow
Bromcresol green will be blue
Phenolphthalein will be colorless
