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Acids, bases and salts

Total questions: 40

Worksheet time: 27mins

Name
Class
Date
1.

Complete the following word equation:

Metal + Acid -->

a)

Salt + water

b)

Salt + hydrogen

c)

Salt + Water + Carbon dioxide

2.

What colour does the solution turn when sulfuric acid is added to copper carbonate?

a)

Blue

b)

Green

c)

Clear

d)

Purple

3.

How do you remove the water to leave solid copper sulfate crystals?

a)

Filter

b)

Evaporate

c)

Distill

4.

What does the word insoluble mean?

a)

Does dissolve

b)

Doesn't dissolve

c)

Is part of a solid

5.
Salts that are made with hydrochloric acid are called ______________.
a)
chlorides
b)
sulfates
c)
nitrates
d)
carbonates
6.
Salts that are made with sulfuric acid are called ______________.
a)
chlorides
b)
sulfates
c)
nitrates
d)
carbonates
7.
Salts that are made with nitric acid are called ______________.
a)
chlorides
b)
sulfates
c)
nitrates
d)
carbonates
8.
What salt is produced if you react sodium hydroxide with hydrochloric acid?
a)
sodium hydroxide
b)
sodium sulfate
c)
sodium nitrate
d)
sodium chloride
9.
A salt is formed when nitric acid combines with sodium hydroxide. What is the name of the salt?
a)
Sodium chloride
b)
Sodium nitrate
c)
Hydrogen Nitrate
d)
Nirate
10.
Identify the 'evaporating basin' from the diagrams.
a)
A
b)
B
c)
C
d)
D
11.

Which salt would be formed by reacting cobalt carbonate and hydrochloric acid?

a)

Cobalt sulfate

b)

Cobalt chloride

c)

Cobalt hydroxide

d)

Cobalt sulfide

12.

When a soluble salt is formed from an acid and an insoluble base, how do you know when an excess of a base has been added?

a)

When bubbles of gas appear

b)

When the reactant all dissolves

c)

When some of the reactant is left unreacted/undissolved

d)

When a colour change happens

13.

Why do you add excess of the insoluble reactant when making a soluble salt?

a)

To make sure all the acid is used up

b)

To separate the solid from the solution

c)

To make sure a reaction occurs

d)

To have the reaction happen faster

14.

How do you separate an excess insoluble reactant from a solution?

a)

Filtration

b)

Precipitation

c)

Crystalisation

d)

Evaporation

15.
If you neutralize an acid with a base what will be produced?
a)
Sugar and water
b)
Sugar and salt
c)
Salt and water
d)
Water
16.

Which of the following values would represent the pH of a strong base?

a)

1

b)

8

c)

7

d)

13

17.

Which of the following values would represent the pH of a strong acid?

a)

1

b)

6

c)

7

d)

13

18.

What range of values on the pH scale represent solutions with a higher ratio of hydroxide (OH-) ions?

a)

below 7

b)

7

c)

above 7

d)

0-14

19.

The products of a neutralization reaction are usually...

a)

salt and water

b)

an acid and a base

c)

a neutral solution

d)

carbon dioxide and oxygen

20.

What acid is needed to make copper nitrate?

a)

Hydrochloric

b)

Nitric

c)

Sulfuric

d)

Phosphoric

21.

Complete this equation:

sulfuric acid + potassium hydroxide -->

a)

potassium oxide + hydrogen

b)

potassium chloride + water

c)

potassium sulfate + hydrogen

d)

potassium sulfate + water

22.

Bryan wants to prepare silver chloride in the science laboratory. Which of the following reactants should he use?

a)

silver + hydrochloric acid

b)

silver hydroxide + hydrochloric acid

c)

silver nitrate + potassium chloride

d)

silver + chlorine gas

23.

What is this piece of apparatus called

a)

Pipette

b)

Burette

c)

Janette

d)

Cuvette

24.

What is the reading on this burette?

a)

24.0cm3

b)

25.8cm3

c)

24.2cm3

d)

23.9cm3

25.

What is this piece of apparatus called

a)

Pipette

b)

Burette

c)

Janette

d)

Cuvette

26.

What is the pH at the equivalence point.

a)

The pH is approximately 5

b)

The pH is approximately 6

c)

The pH is approximately 8

d)

The pH is approximately 9

27.
HCl + NaOH → 
a)
NaH + ClOH
b)
NaCl + H2
c)
NaCl + H2O
d)
NaCl + Cl2
28.

What does the following equation represent ?

H+ + OH- --> H2O

a)

Titration

b)

Acid reaction

c)

Hydration

d)

Neutralisation

29.
The pH at the equivalence point of the titration of a strong acid with a strong base is usually:
a)
acidic 3.9
b)
acidic 4.5
c)
neutral 7.0
d)
basic 8.2
30.

What completely ionizes in solution?

a)

Weak acids

b)

Strong acids

c)

Strong Salts

d)

Neutral salts

31.
Acids react with
a)
water to produce bases and salts
b)
salts to produce bases and water
c)
neither bases, salts nor water
d)
bases to produce salts and water
32.
Which graph shows how pH changes when weak base added to strong acid?
a)
A
b)
B
c)
C
d)
D
33.

Which of these is an example of an insoluble salt?

a)

Copper sulfate

b)

Magnesium sulfate

c)

Lead Iodide

d)

Lead Nitrate

34.

What is general equation for the reaction of metal with an acid?

a)

metal + acid → salt + hydrogen

b)

metal + acid → salt + water

c)

metal + acid → salt + alkali

d)

metal + acid → salt + water + carbon dioxide

35.

Use the words from the list to give the names of two substances that are insoluble in water.

a)

Potassium iodide

b)

Lead(II) sulfate

c)

Ammonium carbonate

d)

Silver nitrate

e)

Silver chloride

36.

Only certain metals will react with an acid because...

a)

They must be more reactive than Hydrogen

b)

The must be less reactive than Hydrogen

c)

Mendeleev made it all up

d)

Salts can only be produced with some metals.

37.

What is the formula for copper(I) sulfate?

a)

CuSO3

b)

CuSO4

c)

Cu2SO3

d)

Cu2SO4

38.
What is the formula for magnesium chloride?
a)
MgCl
b)
Mg2Cl
c)
MgCl2
d)
Mg(ClO3)2
39.

Which of the following is not true?

a)

All nitrate salts are soluble.

b)

All group I salts and Ammonium salts are soluble.

c)

All carbonates are not soluble except group I and ammonium salts.

d)

All sulphates are soluble except Copper (II) sulphate, Barium sulphate and Lead (II) sulphate.

40.

Which of the following salts is insoluble?

a)

Aluminium chloride

b)

Copper (II) Sulphate

c)

Sodium chloride

d)

Calcium carbonate

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