Wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

S5 Chemistry FInals Reviewer (Term 1)

Total questions: 106

Worksheet time: 57mins

Name
Class
Date
1.

Which are the correct raw materials used in a blast furnace? Check all that apply.

a)

Hot Air

b)

Coke

c)

Limestone

d)

Iron Ore

e)

Cryolite

2.

What is the purpose of adding iron ore?

a)

As a source of iron

b)

To remove impurities

c)

To react with coke to form carbon monoxide

d)

To reduce iron oxide to iron

3.

What is the purpose of adding coke?

a)

As a source of iron

b)

To remove impurities

c)

To react with coke to form carbon monoxide

d)

To reduce iron oxide to iron

4.

What is the purpose of adding limestone?

a)

As a source of iron

b)

To remove impurities

c)

To react with coke to form carbon monoxide

d)

To reduce iron oxide to iron

5.

What is the purpose of adding hot air?

a)

As a source of iron

b)

To remove impurities

c)

To react with coke to form carbon monoxide

d)

To reduce iron oxide to iron

6.

Which gas reduces iron ore?

a)

CO

b)

CO2

c)

O2

d)

C

7.

What is the name for the waste product formed in the Blast furnace?

a)

Slag

b)

Debris

c)

Haematite

d)

Cryolite

8.

Which two equations correctly show the formation of carbon monoxide in the blast furnace?

a)

C(s) + O2(g) → CO2(g)

b)

2C(s) + O2(g) → 2CO2(g)

c)

C(s) + CO2(g) → CO(g)

d)

C(s) + CO2(g) → 2CO(g)

9.

Which two equations correctly show the formation of iron in the blast furnace?

a)

Fe2O3(s) + 3CO(g) → 3CO2(g) + 2Fe(s)

b)

2Fe2O3(s) + 6CO(g) → 6CO2(g) + 2Fe(s)

c)

Fe2O3(s) + 3C(s) → 3CO2(g) + 2Fe(s)

d)

Fe2O3(s) + 3C(s) → 3CO(g) + 2Fe(s)

10.

Which two equations correctly show the formation of slag in the blast furnace?

a)

CaCO3(s) → CO2(g) + CaO(s)

b)

CaCO3(s) → CO(g) + CaO2(s)

c)

CaO2(s) + SiO(s) → CaSiO3(s)

d)

CaO(s) + SiO2(s) → CaSiO3(s)

11.

Which of the following metals are alloyed in stainless steel? Check all that apply.

a)

Fe

b)

Cr

c)

Ni

d)

Mn

12.

What does 4% of carbon do to pig iron?

a)

Makes it stronger

b)

Makes the iron brittle

c)

It will remove impurities

d)

Makes it resist corrosion

13.

What is the chemical name of slag produced in the Blast furnace?

(a)  

14.

Which of the following is not a rust prevention method?

a)

Painting

b)

Electroplating

c)

Galvanising

d)

Burning

15.

Electroplating uses specific metals layered on top of the iron and/or steel. Which of these metals are used? Check all that apply.

a)

Cr

b)

Sn

c)

Zn

d)

Mg

16.

Which of the following is not a zinc ore?

a)

Sphalerite

b)

Calamine

c)

Bauxite

d)

Zinc blende

17.

What is the charge composed of in the extraction of zinc in a blast furnace? Check all that apply.

a)

Zinc

b)

Zinc ore

c)

Coke

d)

Limestone

18.

Arrange the following in chronological order.

1 The sulfide ore is heated very strongly in current of air.

2 Zn vapour passes out of the blast furnace and is cooled and condensed

3 The ZnO is heated with coke. Carbon reduces the oxide.

4 The sulfur dioxide produced can be used to make H2SO4.

a)

1432

b)

1234

c)

3241

d)

2431

19.

Which of the following is the correct chemical formula of copper pyrite?

a)

CuFeS2

b)

CuFe2S

c)

Cu2FeS

d)

CuFeS3

20.

Which of the following uses of copper needs to be refined or purified?

a)

For piping

b)

For cutlery

c)

For boilers

d)

For electrical wiring

21.

What are the waste gases that escape in zinc extraction?

a)

C and CO

b)

CO and O2

c)

C and O2

d)

CO and CO2

22.

What state is zinc in the final mixture in a Blast furnace?

a)

solid

b)

liquid

c)

gas

d)

plasma

23.

Zinc blende is also known as...

a)

Zinc sulfide, ZnS

b)

Zinc sulfate, ZnSO4

c)

Zinc oxide, ZnO

d)

Zinc carbonate, ZnCO3

24.

The cathode _____ mass as copper deposits on it.

a)

gains

b)

loses

25.

The anode loses mass as copper dissolves from it.

a)

True

b)

False

26.

The impure copper is placed at the cathode.

a)

False

b)

True

27.

What is the name of the ore that contains aluminium?

a)

Bauxite

b)

Cryolite

c)

Aluminum oxide

d)

Haematite

28.

Which is NOT a reason that cryolite is used in aluminium extraction?

a)

Cryolite dissolves aluminium oxide.

b)

Cryolite reduces the melting point of aluminium oxide.

c)

Cryolite decreases the cost of aluminium extraction.

d)

Cryolite removes impurities from aluminium oxide.

29.

Aluminium ions are attracted to the _____ .

a)

anode

b)

cathode

30.

Oxide ions are attracted to the _____ .

a)

cathode

b)

anode

31.

In aluminium extraction, the electrodes are made of _____ .

a)

carbon (graphite)

b)

bronze

c)

platinum

d)

steel

32.

The anode has to be replaced frequently because _____ .

a)

The oxygen reacts with the carbon anode to form carbon dioxide

b)

Aluminum reacts with the carbon to form aluminum carbide

c)

The anode gets impurities that impact the extraction

d)

The anode is too hot and it will reduce their electrical conductivity

33.

Which answer is NOT the reason why the cathode is located at the bottom of the electrolytic cell?

a)

So that the bubbles produced will not be trapped in the molten aluminium

b)

So that molten aluminium can be collected easily

c)

To prevent oxygen contact with molten aluminium

d)

Because it is easier to attract heavier ions at the bottom

34.

Which of the following is the wrong observation in extracting aluminium using electrolysis?

a)

Size of the anode getting smaller

b)

Size of the cathode getting bigger

c)

Fizzing at the anode

d)

Silver liquid formed at the cathode

35.

When the oxide ion arrives at the graphite anode, what gas will it form?

a)

CO2CO_2  

b)

H2OH_2O  

c)

H2H_2  

d)

O2O_2  

36.

What are the impurities found in bauxite? Check all that apply.

a)

Iron (III) oxide

b)

Sand

c)

Carbon

d)

Cryolite

37.

What is the process of extracting aluminium?

a)

Hall-Héroult process

b)

Contact process

c)

Frasch process

d)

Haber-Bosch process

38.

What is cryolite's chemical name?

a)

Sodium Aluminium Fluoride - Na3AlF6

b)

Aluminium Sodium Fluoride - AlNa3F6

c)

Sodium Fluoride Aluminium - Na3F6Al

d)

Fluoride Sodium Aluminium - F6Na3Al

39.

Which compound is responsible for bauxite's red-brown colour?

a)

Iron (III) oxide

b)

Sand

c)

Alumina

d)

Cryolite

40.

What compound is added to bauxite to obtain pure alumina?

a)

Silica

b)

Calcium oxide

c)

Sodium hydroxide

d)

Cryolite

41.

In the extraction of aluminium, what is the equation at the cathode?

a)

Al3+ + 3e- → Al

b)

C + O2 → CO2

42.

In the extraction of aluminium, what is the equation at the anode?

a)

Al3+ + 3e- → Al

b)

C + O2 → CO2

43.

Why aren't very high pressures used in the Haber-Bosch process in the industry?

a)

The reaction will be too slow

b)

Very little ammonia will be produced

c)

The catalyst will be poisoned

d)

Expensive equipment will be needed

44.

What is the effect of pressure on the yield of ammonia in the Haber-Bosch process?

a)

The lower the pressure, the higher the yield

b)

The higher the pressure, the higher the yield

45.

What is the effect of temperature on the yield of ammonia in the Haber-Bosch process?

a)

The lower the temperature, the higher the yield.

b)

The higher the temperature, the higher the yield.

46.

What is the optimal conditions for the Haber-Bosch process?

a)

250°C250\degree C and 450 atm

b)

450°C450\degree C and 250 atm

c)

300°C300\degree C and 200 atm

d)

200°C200\degree C and 300 atom

47.

Which metal is used as a catalyst in the Haber-Bosch process?

a)

Sodium

b)

Silver

c)

Iron

d)

Copper

48.

Hydrogen used in the Haber-Bosch process is obtained from...

a)

Electrolysis of crude oil

b)

Cracking of crude oil

c)

Methane in natural gas

d)

Fractional distillation of air

49.

Nitrogen used in the Haber process is obtained from...

a)

Fractional distillation of air

b)

Fractional distillation of crude oil

c)

Electrolysis of water

d)

Reduction of nitrogen oxide by carbon

50.

Which equation represents the formation of ammonia?

a)

N2 + H2  ⇌  NH3N_2\ +\ H_2\ \ ⇌\ \ NH_3

b)

N+ 3H  ⇌  NH3N+\ 3H\ \ ⇌\ \ NH_3

c)

N2 + 3H2  ⇌  2NH3N_2\ +\ 3H_2\ \ ⇌\ \ 2NH_3

d)

3N2 + H2  ⇌  2NH33N_2\ +\ H_2\ \ ⇌\ \ 2NH_3

51.

Haber process is the name we give to the industrial production of...

a)

Sulfuric acid

b)

Ammonia

c)

Sodium hydroxide

d)

Nitric acid

52.

NPK fertilisers are mixtures of three essential elements lost from the soil by extensive use. Which of the following elements is important for healthy leaves?

a)

Nitrogen

b)

Phosphorus

c)

Potassium

d)

Sodium

53.

Which of the following is the chemical name for Nitram?

a)

Ammonium nitrate

b)

Ammonium sulfate

c)

Ammonium chlorate

d)

Ammonium hydroxide

54.

Which of the following is the chemical formula for urea?

a)

(NH4)2SO4\left(NH_4\right)_2SO_4

b)

NH4NO3NH_4NO_3

c)

CO(NH2)2CO\left(NH_2\right)_2

d)

(NH4)3PO4(NH_4)_3PO_4

55.

Complete the equation.

ammonia + nitric acid → ___________

a)

ammonium nitrate

b)

ammonium hydroxide

c)

ammonium sulfate

d)

ammonium phosphate

56.

Which of the following is a property of ammonia as a gas? Check all that apply.

a)

colourless

b)

distinctive smell

c)

less dense than air

d)

very soluble in water

57.

A method to extract sulfur from underground deposits.

(a)  

58.

It is a modern industrial method of producing sulfuric acid.

(a)  

59.

Select ALL the raw materials for the Contact process.

a)

Sulfur

b)

Oxygen

c)

Hydrogen

d)

Water

60.

What is the catalyst used for the Contact process?

(a)  

61.

What are the conditions used in the Contact process?

a)

1 atm and 450℃

b)

200 atm and 450℃

c)

450 atm and 1℃

d)

450 atm and 200℃

62.

How is sulfuric acid industrially used? Check all that apply.

a)

For fertiliser industry

b)

As a raw material in making soap and detergents

c)

As a powerful dehydrating and oxidising agent

d)

For making paints

63.

A chemical reaction in which a water molecule is eliminated from a substance.

(a)  

64.

Which of the following is the correct order of the reactions of the Contact process? Refer to the attached image.

a)

123

b)

231

c)

312

d)

321

65.

What are the coefficients of No. 3 if it is balanced? Refer to the attached image.

a)

122

b)

212

c)

112

d)

221

66.

Name the product of No. 1.

Refer to the attached image.

(a)  

67.

What is the percentage yield of reaction No. 2 in the Contact Process?

Refer to the attached image.

(a)  

68.

In Contact Process, what is the state symbol of S in No. 1?

Refer to the attached image.

(a)  

69.

Which equation is the burning of sulfur?

Refer to the attached image.

(a)  

70.

Balance the equation in the image shown. What is X?

(a)  

71.

When concentrated sulfuric acid is added to sucrose, what products are produced?

a)

Carbon dioxide

b)

Carbon

c)

Water

d)

Hydrogen

72.

In this, Na is produced at, and dissolves in, the flowing Hg cathode.

a)

Mercury cathode cell

b)

Membrane cell

c)

Diaphragm cell

d)

Cathode cell

73.

The products of electrolysis are kept separate by an asbestos diaphragm.

a)

Mercury cathode cell

b)

Membrane cell

c)

Diaphragm cell

d)

Cathode cell

74.

This is the most modern system, and it uses a selective ion-exchange membrane to keep products apart.

a)

Mercury cathode cell

b)

Membrane cell

c)

Diaphragm cell

d)

Cathode cell

75.

Which halogen is used as antiseptics?

a)

Fluorine

b)

Chlorine

c)

Bromine

d)

Iodine

76.

Which halogen is used in photographic films?

a)

Fluorine

b)

Chlorine

c)

Bromine

d)

Iodine

77.

Which halogen is used in photographic films?

a)

Fluorine

b)

Chlorine

c)

Bromine

d)

Iodine

78.

Which halogen is used in toothpaste and drinking water?

a)

Fluorine

b)

Chlorine

c)

Bromine

d)

Iodine

79.

The following are uses of chlorine except...

a)

PVC

b)

Water treatment

c)

Bleach

d)

Petrol additive

80.

A poisonous, yellow-green gas.

a)

Chlorine

b)

Sodium hydroxide

c)

Hydrogen

d)

Water

81.

A colourless, flammable gas.

a)

Chlorine

b)

Sodium hydroxide

c)

Hydrogen

d)

Water

82.

It is alkaline and corrosive.

a)

Chlorine

b)

Sodium hydroxide

c)

Hydrogen

d)

Water

83.

It is used for making margarine and nylon.

a)

Chlorine

b)

Sodium hydroxide

c)

Hydrogen

d)

Water

84.

What is the most efficient method of electrolysing brine?

a)

Mercury cathode cell

b)

Membrane cell

c)

Diaphragm cell

d)

Cathode cell

85.

What are the two components of brine?

a)

sodium chloride

b)

salt solution

c)

Hydrogen

d)

Water

86.

What is the chemical formula of calcium carbonate?

a)
Ca2CO3
b)
Ca(CO)3
c)
CaCO3
d)
CaCO
87.
How is calcium oxide formed?
a)

Thermal decomposition of calcium carbonate

b)
Displacement of calcium carbonate
c)

Combustion of calcium carbonate

d)

Reaction of calcium and water

88.

What are the products of thermal decomposition of calcium carbonate?

a)

Calcium oxide

b)

Calcium hydroxide and water

c)

Calcium oxide and carbon dioxide

d)

Calcium hydroxide

89.
How is calcium hydroxide solution produced?
a)
Calcium carbonate and water
b)
Calcium oxide and water
c)
Calcium carbonate and acid
d)

Calcium oxide and acid

90.

What are the raw materials for making cement? Check all that apply.

a)

Limestone

b)

Powdered clay

c)

Water

d)

Aggregates

e)

Sand

91.

What is used to test the presence of limewater?

a)
Hydrogen
b)
Oxygen
c)
Carbon Dioxide
d)
Chlorine
92.

Why does limestone lose mass as it is heated?

a)
Oxygen is given off
b)
Carbon dioxide is given off
c)
The limestone is shrinking
d)
The limestone is evaporating
93.

What are the raw materials for making concrete? Check all that apply.

a)

Limestone

b)

Cement

c)

Water

d)

Aggregates

e)

Sand

94.

Name this compound: CaSO4●H2O

(a)  

95.

Name this compound: Ca(AlO2)2

(a)  

96.

Name this compound: CaSiO3

(a)  

97.

What are the raw materials for making glass?

a)

Limestone

b)

Sand

c)

Sodium carbonate

d)

Water

e)

Sodium hydroxide

98.

The limestone is quarried.

a)

False

b)

True

99.

Which of the following is the correct balanced equation for the formation of slaked lime?

a)

CaO(s) + H2O(l) → Ca(OH)2(aq)

b)

CaO(s) + H2O(l) → Ca(OH)2(s)

c)

CaO(s) + H2O(l) → 2CaOH2(s)

d)

CO2(g) + H2O(l) → Ca(OH)2(s)

100.

What is the chemical name for the substance that is more commonly known as ‘quicklime’?

(a)  

101.

The process of converting waste into reusable material.

(a)  

102.

It is made by allowing concrete to set around steel rods or mesh.

(a)  

103.

It is composed of lime and an aggregate such as sand, mixed with water.

(a)  

104.

In an electrolytic cell, chlorine is produced at the..

a)

Anode

b)

Cathode

105.

In an electrolytic cell, hydrogen is produced at the..

a)

Anode

b)

Cathode

106.

Limestone is used to make cement.

a)

False

b)

True

Similar Resources on Wayground

Chemistry Semester 1 Review

106 questions

Chemistry Semester 1 Review

quiz

Worksheet

•

9th - 12th Grade

EM Spectrum, Bohr Models, Valence Electrons, Energy Rings

102 questions

EM Spectrum, Bohr Models, Valence Electrons, Energy Rings

quiz

Worksheet

•

9th - 12th Grade

22-23 Midterm Review (ACP)

107 questions

22-23 Midterm Review (ACP)

quiz

Worksheet

•

11th Grade

CHÚC AE THI TỐT <3

101 questions

CHÚC AE THI TỐT <3

quiz

Worksheet

•

11th Grade - University

IB Chemistry SL Revision

106 questions

IB Chemistry SL Revision

quiz

Worksheet

•

11th - 12th Grade

2022 Chemistry Final Exam Reg

103 questions

2022 Chemistry Final Exam Reg

quiz

Worksheet

•

10th Grade - University

Physical Science, First Semester Exam Review

105 questions

Physical Science, First Semester Exam Review

quiz

Worksheet

•

9th - 12th Grade

End Of Quarter 3 Test

101 questions

End Of Quarter 3 Test

quiz

Worksheet

•

9th - 12th Grade