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11 Triple Chemistry Paper 2 Revision 2021

Total questions: 130

Worksheet time: 1hrs 14mins

Name
Class
Date
1.

What is the general formula for Alkanes?

a)

CnH2n+2

b)

CnH2n

2.

What is the general formula for Alkenes?

a)

CnH2n+2

b)

CnH2n

3.

What Elements do Hydrocarbons Contain?

a)

Hydrogen

b)

Carbon

c)

Oxygen

4.

Which one is an Alkane?

a)

Has a C--C Single Bond

b)

Has a C==C Double Bond

5.

Which one is an Alkene?

a)

Has a C--C Single Bond

b)

Has a C==C Double Bond

6.

What does the Reaction of Alkenes and Steam form?

a)

Alcohols

b)

Carboxylic Acid

7.

What is the general formula for Alcohols?

a)

CnH2n+1OH

b)

CnH2n

c)

CnH2n+2

8.

What is the Extra Molecule produced in Condensation Polymerisation?

a)

Water

b)

Hydrogen

9.

Which of these are Naturally Occurring Polymers?

a)

Amino Acids

b)

Proteins

c)

DNA

d)

Sugars

10.

What is the Functional Group for Alcohol?

a)

'COO'

b)

'COOH'

c)

'OH'

11.

What is the Functional Group for Carboxylic Acid?

a)

'COO'

b)

'COOH'

c)

'OH'

12.

What is the Functional Group for Esters?

a)

'COO'

b)

'COOH'

c)

'OH'

13.

In Chromatography which is the Moblie Phase?

a)

Where the molecules can move. Always a gas or liquid

b)

Where the molecules can't move. This can be a solid or a thick liquid

14.

In Chromatography which is the Stationary Phase?

a)

Where the molecules can move. Always a gas or liquid

b)

Where the molecules can't move. This can be a solid or a thick liquid

15.

How do you Calculate RF Values?

a)

Distance Travelled by substance/ Distance travelled by solvent

b)

Distance Travelled by Solvent/ Distance travelled by Substance

16.

Which one is the test for Chlorine gas?

a)

Bleaches damp Litmus Paper

b)

Relights a glowing splint

c)

Turns Limewater Cloudy

d)

Creates a Pop when you hold a lit Splint near it

17.

Which one is the test for Oxygen gas?

a)

Bleaches damp Litmus Paper

b)

Relights a glowing splint

c)

Turns Limewater Cloudy

d)

Creates a Pop when you hold a lit Splint near it

18.

Which one is the test for Carbon Dioxide gas?

a)

Bleaches damp Litmus Paper

b)

Relights a glowing splint

c)

Turns Limewater Cloudy

d)

Creates a Pop when you hold a lit Splint near it

19.

Which one is the test for Hydrogen gas?

a)

Bleaches damp Litmus Paper

b)

Relights a glowing splint

c)

Turns Limewater Cloudy

d)

Creates a Pop when you hold a lit Splint near it

20.

What is the test for a Carbonate?

a)

Adding a few drops of dilute acid to the solution and bubbling the gas through limewater. It should go cloudy if present

b)

Adding a few drops of dilute Hydrochloric acid followed by barium chloride solution. It should form a white precipitate if present

21.

What is the test for a Sulfate?

a)

Adding a few drops of dilute acid to the solution and bubbling the gas through limewater. It should go cloudy if present

b)

Adding a few drops of dilute Hydrochloric acid followed by barium chloride solution. It should form a white precipitate if present

22.

If you add dilute nitric acid and silver nitrate solution to Chloride what forms?

a)

White Precipitate

b)

Cream Precipitate

c)

Yellow Precipitate

23.

If you add dilute nitric acid and silver nitrate solution to Bromide what forms?

a)

White Precipitate

b)

Cream Precipitate

c)

Yellow Precipitate

24.

If you add dilute nitric acid and silver nitrate solution to Iodide what forms?

a)

White Precipitate

b)

Cream Precipitate

c)

Yellow Precipitate

25.

What is the colour that Lithium Ions burn?

a)

Crimson

b)

Yellow

c)

Lilac

d)

Orange-Red

e)

Green

26.

What is the colour that Sodium Ions burn?

a)

Crimson

b)

Yellow

c)

Lilac

d)

Orange-Red

e)

Green

27.

What is the colour that Potassium Ions burn?

a)

Crimson

b)

Yellow

c)

Lilac

d)

Orange-Red

e)

Green

28.

What is the colour that Calcium Ions burn?

a)

Crimson

b)

Yellow

c)

Lilac

d)

Orange-Red

e)

Green

29.

What is the colour that Copper Ions burn?

a)

Crimson

b)

Yellow

c)

Lilac

d)

Orange-Red

e)

Green

30.

What colour Precipitate does Calcium form when reacted with Sodium Hydroxide?

a)

White

b)

Blue

c)

Green

d)

Brown

e)

White but colourless when added an excess

31.

What colour Precipitate does Copper III form when reacted with Sodium Hydroxide?

a)

White

b)

Blue

c)

Green

d)

Brown

e)

White but colourless when added an excess

32.

What colour Precipitate does Iron II form when reacted with Sodium Hydroxide?

a)

White

b)

Blue

c)

Green

d)

Brown

e)

White but colourless when added an excess

33.

What colour Precipitate does Iron III form when reacted with Sodium Hydroxide?

a)

White

b)

Blue

c)

Green

d)

Brown

e)

White but colourless when added an excess

34.

What colour Precipitate does Aluminium form when reacted with Sodium Hydroxide?

a)

White

b)

Blue

c)

Green

d)

Brown

e)

White but colourless when added an excess

35.

What colour Precipitate does Magnesium form when reacted with Sodium Hydroxide?

a)

White

b)

Blue

c)

Green

d)

Brown

e)

White but colourless when added an excess

36.

What was the First Phase of the forming of Earth's Atmosphere?

a)

Surface was covered with Volcanoes which released lots of gasses. The Atmosphere was mainly Carbon Dioxide with Little Oxygen. Nitrogen, Methane, Ammonia and Water Vapour were also present

b)

Water Vapour Condensed to form Oceans. A lot of Carbon Dioxide dissolved in the Ocean forming Sediment. Green plants and Algea evolved which also absorbed the CO2 through Photosynthesis

c)

The Algea also produced Oxygen allowing for more Complex Lifeforms to evolve. The atmosphere finally reached a point where it was 80% Nitrogen and 20% Oxygen

37.

What was the Second Phase of the forming of Earth's Atmosphere?

a)

Surface was covered with Volcanoes which released lots of gasses. The Atmosphere was mainly Carbon Dioxide with Little Oxygen. Nitrogen, Methane, Ammonia and Water Vapour were also present

b)

Water Vapour Condensed to form Oceans. A lot of Carbon Dioxide dissolved in the Ocean forming Sediment. Green plants and Algea evolved which also absorbed the CO2 through Photosynthesis

c)

The Algea also produced Oxygen allowing for more Complex Lifeforms to evolve. The atmosphere finally reached a point where it was 80% Nitrogen and 20% Oxygen

38.

What was the Third Phase of the forming of Earth's Atmosphere?

a)

Surface was covered with Volcanoes which released lots of gasses. The Atmosphere was mainly Carbon Dioxide with Little Oxygen. Nitrogen, Methane, Ammonia and Water Vapour were also present

b)

Water Vapour Condensed to form Oceans. A lot of Carbon Dioxide dissolved in the Ocean forming Sediment. Green plants and Algea evolved which also absorbed the CO2 through Photosynthesis

c)

The Algea also produced Oxygen allowing for more Complex Lifeforms to evolve. The atmosphere finally reached a point where it was 80% Nitrogen and 20% Oxygen

39.

Which one are Thermosoftening Polymers?

a)

Weak forces between chains. They can be melted and remoulded

b)

Solid structure which doesn't soften when heated

40.

Which one are Thermosetting Polymers?

a)

Weak forces between chains. They can be melted and remoulded

b)

Solid structure which doesn't soften when heated

41.

What are the 2 processes used in making Potable Water?

a)

Filtration

b)

Sterilisation

c)

Distillation

42.

What do Rates of Reactions depend on?

a)

Collision Frequency

b)

Energy Transfered per Collision

c)

Ammount of Reactants

43.

What do Rates of Reactions depend on?

a)

Temperature

b)

Concentration

c)

Pressure

d)

Surface Area

e)

Catalyst

44.

When is Equilibrium met in a Reversible Reaction?

a)

When the Masses of Products and Reactants are the same

b)

When the Rates at which the Products and Reactants are made are the same

45.

Which Part of a Graph shows the Rate of the reaction?

a)

Gradient

b)

Y-Intercept

46.

What does it mean when the Equilibrium of a Reversible Reaction lies to the Left?

a)

Concentration of Products is greater

b)

Concentration of Reactants is greater

c)

The rate of Forming Products is greater

d)

The rate of Forming Reactants is greater

47.

What does it mean when the Equilibrium of a Reversible Reaction lies to the Right?

a)

Concentration of Products is greater

b)

Concentration of Reactants is greater

c)

The rate of Forming Products is greater

d)

The rate of Forming Reactants is greater

48.

If a Reversible Reaction is Exothermic one way what will it be the Other way?

a)

Endothermic

b)

Exothermic

49.

If a Reversible Reaction is Endothermic one way what will it be the Other way?

a)

Endothermic

b)

Exothermic

50.

What is Le Chatelier's Principle?

a)

If you change the Conditions of a Reversible Reaction at Equilibrium the system will try to Counteract that change

b)

If you change the Conditions of a Reversible Reaction at Equilibrium the system will Accelerate the Change

51.

What happens to a Reversible Reaction when you increase the Temperature?

a)

It Favours the Endothermic Reaction

b)

It Favours the Exothermic Reaction

52.

What happens to a Reversible Reaction when you decrease the Temperature?

a)

It Favours the Endothermic Reaction

b)

It Favours the Exothermic Reaction

53.

What happens to a Reversible Reaction when you increase the Pressure?

a)

It Favours the reaction with Fewer molecules of Gas

b)

It Favours the reaction with More molecules of Gas

54.

What happens to a Reversible Reaction when you decrease the Pressure?

a)

It Favours the reaction with Fewer molecules of Gas

b)

It Favours the reaction with More molecules of Gas

55.

What happens to a Reversible Reaction when you Increase the Concentration of the Products

a)

It Produces more Reactants

b)

It Produces more Products

56.

Which Hydrocarbon has a Higher Viscosity?

a)

Longer Hydrocarbon Chain

b)

Shorter Hydrocarbon Chain

57.

Which Hydrocarbon is More Volatile?

a)

Longer Hydrocarbon Chain

b)

Shorter Hydrocarbon Chain

58.

Which Hydrocarbon is More Volatile?

a)

Longer Hydrocarbon Chain

b)

Shorter Hydrocarbon Chain

59.
This gas was in high concentrations in the early atmosphere, and later condensed to form Earth's oceans. 
a)
oxygen
b)
carbon dioxide
c)
sulfur oxides
d)
water vapor
60.
This gas was in high concentrations in the developing atmospheres and later dissolved into rainwater, added to the oceans, then settled to the bottom of the ocean. 
a)
oxygen
b)
carbon dioxide
c)
argon
d)
water vapor
61.
According to the model, how did CO2 get into the atmosphere?
a)
evaporation
b)
condensation
c)
volcanoes
d)
sediments
62.
What gas was most prevalent in Earth's early atmosphere?
a)
carbon dioxide
b)
oxygen
c)
water vapor
d)
sulfur oxides
63.
What gas were we missing in Earth's early atmosphere?
a)
carbon dioxide
b)
oxygen
c)
water vapor
d)
sulfur oxides
64.
What happened to the water vapor from Earth's early atmosphere?
a)
evaporated
b)
condensed
c)
boiled
d)
decreased in density
65.
What happened to the carbon dioxide that was dissolved in the early oceans?
a)
It evaporated
b)
It turned into sediment
c)
It was changed into oxygen
d)
I can't think of another good wrong answer
66.
Which gas in our atmosphere is most abundant?
a)
Argon
b)
Oxygen
c)
Nitrogen
d)
Carbon Dioxide
67.
What is the percentage of oxygen in Earth's atmosphere?
a)
1%
b)
21%
c)
78%
d)
90%
68.
What is the percentage of nitrogen in Earth's atmosphere?
a)
1%
b)
21%
c)
78%
d)
90%
69.

Scientists think Earth formed _____________ ago.

a)

100,000 years

b)

4,600,000 years

c)

4,600 years

d)

4,600,000,000 years

70.
________ formed the early atmosphere
a)
Volcanoes
b)
Earthquakes
c)
Plants
d)
Animals
71.

What do greenhouse gases do?

a)

absorb infrared energy

b)

absorb ultraviolet energy

c)

reflect radiation

d)

produce acid rain

72.
What process is used to separate a mixture of solutions?
a)
Crystallisation
b)
Distillation
c)
Filtration
d)
Chromatography
73.
In paper chromatography, what is the stationary phase?
a)
solvent
b)
paper
c)
sample
74.
In paper chromatography, what is the mobile phase?
a)
solvent
b)
paper
c)
sample
75.
What term is given to something that a substance can be dissolved in?
a)
solute
b)
solvent
c)
solution
d)
soluble
76.
What term is given to a substance that is being dissolved?
a)
solute
b)
solvent
c)
solution
d)
soluble
77.
What term is given to a substance that cannot be dissolved?
a)
solute
b)
solvent
c)
solution
d)
insoluble
78.
What does the term Rf value mean?
a)
running factor
b)
retention factor
c)
releasing factor
d)
reducing factor
79.
In Chemistry, what is a pure substance?
a)
a substance that has had nothing added to it
b)
a substance made up of only one thing
c)
a substance made up of only one type of element or compound
d)
a mixture of elements and 
80.
Which gas?
Positive result: 'pop' when lit with a flame
a)
hydrogen
b)
oxygen
c)
carbon dioxide
d)
chlorine
81.
Which gas?
Positive result: relights a glowing splint 
a)
hydrogen
b)
oxygen
c)
carbon dioxide
d)
chlorine
82.
Which gas?
Positive result: turns limewater from colourless to milky white (cloudy)
a)
hydrogen
b)
oxygen
c)
carbon dioxide
d)
chlorine
83.
Which gas?
Positive result: turns damp blue litmus paper to white (bleached)
a)
hydrogen
b)
oxygen
c)
carbon dioxide
d)
chlorine
84.

Ink can be separated by a method of -----------------------------------------------

a)

distillation

b)

filtration

c)

chromatography

d)

sedimentation

85.
chromatography separate the mixture of dyes on the basis of their ----------------------------
a)
density
b)
solubility
c)
gravity
d)
boiling point
86.
A pure substance shows ------------------ spot on chromat gram
a)
0
b)
1
c)
2
d)
3
87.
Which ink is a mixture of different pigments? 
a)
red
b)
orange
c)
green
d)
black
88.
This chromatogram shows five commercial dyes (X, P, Q, R and S). The pigment in dye Q Is known to cause cancer. Which dye(s) is/are safe for use?
a)
P only
b)
S only
c)
P and S
d)
P and X
89.
Why must the base line be drawn in pencil and not pen?
a)
a) Pencil is good at keeping substances in place.
b)
b) Pencil is soluble in water
c)
c) Pencil is insoluble in water
d)
d) Pencil is not coloured
90.
 If a substance is not attracted to the water what happens to the 'dot'?
a)
a) Dot moves to the top of the paper
b)
b) Dot does not move at all
c)
c) Dot moves to the left or right
d)
d) Dot moves down to the bottom of the paper
91.
In paper chromatography, the LEAST soluble solute .......
a)
does not move from the start point
b)
stays closest to the start point
c)
travels furthest away from the start point
d)
can be found in the middle of the chromatogram
92.
In chromatography, if a solute does not separate and remains on the start line ....
a)
the solute is insoluble in the solvent
b)
the solute is soluble in the solvent
c)
the solvent is insoluble in the solute
d)
the solvent is soluble in the solute
93.
If a dye is insoluble in water and cannot be separated using chromatography, how can it be tested to see if it is a mixture?
a)
Use filtration instead
b)
Repeat the chromatography test using a different solvent such as propanone
c)
Use distillation instead
d)
Repeat the chromatography using water as the solvent and see if it separates this time
94.
Two or more substances that are mixed together but not chemically combined is a ___
a)
compound
b)
mixture
c)
keratin
d)
chromatography
95.
The Rf value  for the blue component is 
a)
0.3
b)
0.7
c)
10
d)
3
96.
The Rf value  for the red component is 
a)
0.3
b)
0.7
c)
10
d)
7
97.
Which plant species has plant pigments most similar to those in A?
a)
B
b)
C
c)
D
98.
Which of the following compounds is an example of hydrocarbon?
a)
CO2
b)
C2H6
c)
C2H5OH
d)
CH3COOH
99.

Where do short chain hydrocarbons collect?

a)

At the top

b)

In the middle

c)

At the bottom

100.
How do you test for an alkene?
a)
React it with oxygen
b)
React it with litmus paper
c)
React it with bromine water
d)
pH test
101.

Which is the correct definition for the term 'polymer'?

a)

a molecule containing only carbon and hydrogen

b)

short molecule made of a few repeating units

c)

long, chain-like molecule made of repeating units

d)

chain-like molecule that contains hydrogen and oxygen

102.
a)

A

b)

B

c)

C

d)

D

103.
Name the molecule pictured here
a)
Pentanoate
b)
1-pentanoate
c)
Pentanoic acid
d)
1-pentanoic acid
104.
Which carboxylic acid and which alcohol came together to form the ester pictured here?
a)
Butanol and ethanoic acid
b)
Ethanol and butanoic acid
105.

Silver nitrate and Nitric acid were mixed with an unknown solution. A cream ppt formed. The formula of the ion present is

a)

I-

b)

Cl-

c)

Br-

106.

Test for sulphate ions is...

a)

Add HCl and barium chloride

b)

Add dilute acid

c)

Add nitric acid and silver nitrate

107.
If an alkane has 20 carbon atoms, how many hydrogen atoms will it have?
a)
20
b)
22
c)
40
d)
42
108.
Name this alkane
a)
Methane
b)
Ethane
c)
Propane
d)
Butane
109.
Which formula represents a saturated hydrocarbon?
a)
A
b)
B
c)
C
d)
D
110.
What chemical is this? (C5H10)
a)
Pentene
b)
Pentane
c)
Hexane
d)
Heptene
111.

Starch is composed of what smaller monomer?

a)

amino acids

b)

nucleic acids

c)

fatty acids

d)

nucleotides

e)

Glucose

112.

Cellulose is composed of what smaller monomer?

a)

amino acids

b)

nucleic acids

c)

fatty acids

d)

nucleotides

e)

Glucose

113.

Bromine water with an alkene will

a)

have no change

b)

go clear

c)

go orange to clear

d)

go orange to colourless

e)

fizz

114.

Bromine water with an alkane will....

a)

have no change/stay orange

b)

go clear

c)

go orange to clear

d)

go orange to colourless

e)

fizz

115.
Name this alkane
a)
Methane
b)
Ethane
c)
Propane
d)
Butane
116.
Name this alkane
a)
Methane
b)
Ethane
c)
Propane
d)
Butane
117.
How many carbon atoms are in methane?
a)
1
b)
2
c)
3
d)
4
118.
How many carbon atoms are in butane
a)
1
b)
2
c)
3
d)
4
119.

A Vapours condense when they become cool enough.

B This column is hot at the bottom and gets cooler towards the top.

C Vapours from the oil rise through the column.

D Liquids are led out of the column at different heights.

E Crude oil is heated and enters a tall fractionating column.

a)

E B C A D

b)

E B C D A`

c)

B C A D E

120.

What is potable water?

a)

pure water

b)

Water that has dissolved ions in but is safe to drink

c)

Water from an underground source

d)

Water that is safe to wash in

121.

How is water sterilised?

a)

Passing fresh water through filter beds and sterilising

b)

Removal of salt from sea water

c)

Reverse osmosis or distillation

d)

Using chlorine, ozone or ultraviolet light

122.

What is desalination?

a)

Passing fresh water through filter beds and sterilising

b)

Removal of salt from sea water

c)

Reverse osmosis or distillation

d)

Using chlorine, ozone or ultraviolet light

123.

What is the main disadvantage of desalination?

a)

It requires a large amount of energy

b)

It is carried out at a high pressure

c)

A low temperature is used

d)

It has a low atom economy

124.

What is the first step in the water treatment process?

a)

coagulation

b)

filtration

c)

sterilisation

d)

concentation

125.
What does chlorination do to the water?
a)
Removes microorganisms
b)
Cleans the water
c)
Makes the water taste nice
d)
Removes twigs and sediment
126.

Which substances would you NOT find in pure water?

a)

Bacteria

b)

Minerals

c)

Dirt

d)

Acids

e)

None of these

127.

Boiling temperature of water is

a)

10°C

b)

110°C

c)

100°C

d)

0°C

128.

In the UK how is potable water produced?

a)

Passing fresh water through filter beds and sterilising

b)

Removal of salt from sea water

c)

Reverse osmosis or distillation

d)

Evaporated from a mixture of impure water

129.

In what kinds of locations is desalination carried out?

a)

Ones where there is limited supply of fresh water

b)

Where there is plenty of salt water

c)

In dry, arid regions

d)

In cold, icy regions

130.
Select the correct order for the water treatment process.
a)
Sedimentation - Chlorination - Filtration
b)
Sedimentation - Filtration - Chlorination
c)
Filtration - Chlorination - Sedimentation
d)
Filtration - Sedimentation - Chlorination

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