Free Printable Unit 8 Review

Worksheets

Unit 8 Review

Total questions: 25

Worksheet time: 34mins

Name

Class

Date

What is the pH of a 1 x 10^-8 M solution of HNO₃?

7.5

If the solution of Al(OH)₃ has a pH of 11.5 and a pOH of 2.5. Is it an acid, base, or neutral?

acid

base

neutral

The lower the pH, the greater the concentration of :

OH^-

H⁺

Examine the results (color change) of the pH paper shown in the picture. What type of substance was tested?

an acid

a base

a neutral substance

none of the above

Where on the pH scale would you find a strong acid?

0-3

4-6

8-10

11-14

What ions does water dissociate into?

OH- and OH-

H+ and H+

H+ and OH-

HOH

What is the pH of a neutral substance?

What are the products of acid and base reactions?

Salt and Hydrogen

Salt, Water and Carbon dioxide

Salt and Water

Water and Carbon dioxide

Write dissociation equations for the following electrolytes. Show physical states of all species involved!
NaCl

NaCl --> Na⁺ + Cl^-

NaCl_(s) --> Na⁺_(aq) + Cl^-_(aq)

NaCl --> Na + Cl

NaCl_(s) --> Na_(aq) + Cl_(aq)

10.

What is the substance which can able to produce hydroxide ion when it dissolve in water?

Organic

Salt

Acid

Base

11.

What are the products of the following reaction?
H₂SO₄ + KOH -->

HK + HSO₄

H₂O + KSO₄

H₂O + K₂SO₄

H₂ + K₂SO₄

12.

The products of a neutralization reaction are acids and bases

True

False

13.

Bleach is a strong base, what is the pH level of bleach?

14.

According to the pH range which substance is more acidic than lemon juice

Hydrochloric acid

cabbage

milk

15.

What is the chemical formula for Magnesium hydroxide?

Mg(OH)₂

OHMg

MgH

Mg₂OH₂

16.

What is the name of the chemical formula Al(OH)₃

Aluminum III Hydroxide

Hydroxide Aluminum

Aluminum Cans

Aluminum Oxide

17.

What is the name of H₂SO₄?

Dihydrogen Tetrasulfate

Sulfuric Acid

Sulfate

Sulfurous Acid

18.

What is the chemical formula for hydrofluoric acid?

HyDroFloAc

H₂OFl

FlOH

19.

What is the chemical formula for Iron (II) Hydroxide?

Fe(OH)₂

Fe₂(OH)

Fe II (OH)

FeO

20.

What is the chemical formula for Carbonic Acid?

HCO

COH

H₂CO₃

H₃CO₂

21.

What is the name for H₃PO₄

Hydro Phosphate

Phosphoric Acid

Phosphorous Acid

Phosphate

22.

A strong acid is most likely to have a pH of

23.

The equation for the neutralization reaction between solutions of potassium hydroxide and hydrochloric acid is

HCl + KOH → Cl + KH₂O

KCl + HCl → H₂O + KOH

KH + HCl → KCl + H₂O

KOH + HCl → KCl + H₂O

24.

A buffer is a solution in which the pH

Only increases when acid is added

Only decreases when base is added

Changes greatly when acid or base is added

Remains the same when acid or base is added

25.

A sample of orange juice has a pH of 3.0. A sample of tomato juice has a pH of 4.0. The [H+] of orange juice is ______________ than the [H+] of tomato juice.

1.0 times higher

10 times higher

10 times lower

1.0 times lower

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Unit 8 Review

Total questions: 25

Worksheet time: 34mins

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