Font size
WorksheetsChemistry-30 Acids and bases
Total questions: 20
Worksheet time: 22mins
What is an Arrhenius base?
A substance that produces H+ ion in water
A substance that produces OH- ion in water.
A substance that produces OH+ ion in water
A substance that produces H- ion in water.
A student tests an unknown aqueous solution and finds it conducts electricity and turns litmus paper red. What can the student infer?
The solution contains an acid.
The solution contains a base.
The solutions is neutral.
Label the acid, base, conjugate acid and conjugate base.
Click on the acid.
Click on the base.
Click on the conjugate base.
Click on the conjugate acid.
According to Bronsted-Lowry, what does an acid do?
It donates a proton (H+).
It accepts a proton (H+)
It produces H+ in water.
It produces OH- in water.
According to Bronsted-Lowry, what does a base do?
It donates a proton (H+).
It accepts a proton (H+)
It produces H+ in water.
It produces OH- in water.
Phenolophalein turns from clear to pink when the pH turns
acidic
basic
saline
ionic
What completely ionizes in solution?
Weak acids
Strong acids
Strong Salts
Neutral salts
Bases, also known as (a) will turn litmus paper (b) . This is because they have a pH (c) . They taste (d) .
NaOH is a strong base.
What is the pH of a 0.01 M NaOH soltuion?
2
9
12
14
Which type of ion does an acid produce when it is dissolved in water?
oxide
oxygen
hydronium
hydroxide
What is the pH of a solution if [H+] = 1.0 x 10-5M?
5.00
7.00
9.00
11.00
In the equation below, H2O would be considered a ______
NH3 + H2O --> NH4+ + OH-
Bronsted-Lowry Acid
Bronsted-Lowry Base
Salt
A sting from insect X has a pH of 6 and a sting from insect Y has a pH of 8. The table shows the pH of four substances.
Which substances are used to treat the two stings?
A X = hydrochloric acid; Y = sodium hydroxide
B X = sodium hydrogen carbonate; Y = vinegar
C X = sodium hydroxide; Y = hydrochloric acid
D X = vinegar ; Y = sodium hydrogen carbonate
The table shows the pH of four aqueous solutions, W, X, Y and Z.
Universal Indicator is added to each solution.
Which row in the second table shows the colour of each solution after the indicator is added?
A
B
C
D
