AQA Combined Science Trilogy Chemistry Paper 1 Quiz

Question 1

3 Points

Match the mass with the correct particle. Use some of the following numbers.

1, 2, 0, 1/1836

Protons =

Neutrons =

Electrons =

Question 2

3 Points

Drag and drop to match the charge with the correct particle

Protons
Electrons
Neutrons

+1
-1
0

Question 3

6 Points

Use some of the following words to complete the statements below. You may use each word more than once.

Increase, increases, decrease, decreases, lower, higher

Complete the following statements about the trends in the properties of noble gases as you go down the group:
1. Melting points . e.g. helium has a melting point than neon
2. Boiling points . e.g. neon has a melting point than argon
3. Density . e.g. krypton has a density than argon

Question 4

1 Point

Which of the following items would you need to perform crystallisation by heating?

A beaker
An evaporating basin
A heatproof mat
A bunsen burner
Gauze
Filter paper
Filter funnel
Tripod

Question 5

1 Point

$fractional distillation diagram$

This image shows the apparatus used during fractional distillation. What is the function of the fractionating column?

Contains glass rods – is hotter at the bottom than the top – only the desired liquid will reach the condenser
Contains glass rods – is hotter at the top than the bottom – only the desired liquid will reach the condenser
Contains glass rods – is the same temperature throughout – only the desired liquid will reach the condenser
Separates the thermometer from the Bunsen burner so it doesn't get too hot

Question 6

3 Points

Drag and drop to match the description and state of matter. Particles are:

Liquids
Solids
Gases

Close together and move around each other
Close together and vibrate around fixed positions
Far apart and moving quickly in random directions

Question 7

1 Point

What do group one atoms do when they bond ionically with group 7 atoms?

Lose one electron
Lose two electrons
Gain one electron
Gain two electrons

Question 8

1 Point

What is the electronic configuration of a nitrogen atom?

2,5
2,7
2,8,5

Question 9

1 Point

What is the formula for the compound calcium nitrate which is made of calcium and nitrate ions (NO₃⁻)?

Ca(NO₃)₂
CaNO₂
Ca(NO₂)₂
KNaO

Question 10

1 Point

What is the name of the force that holds together ions in ionic compounds?

Electrostatic force
Gravity
Strong nuclear force
Weak nuclear force

Question 11

1 Point

Which description most accurately describes covalent bonding

Electrons are transferred between atoms
Electrons are shared between atoms
Electrons are donated to a delocalised pool of electrons, shared between all atoms
Neutrons are transferred between atoms

Question 12

1 Point

Why do simple molecules not conduct electricity?

There are no free electrons or ions which could carry a charge
Simple molecules are aligned in the direction opposite to the flow of current. This means that they oppose the flow of electricity.
All simple molecules are in the gaseous state and so electrons are too far apart to transfer a charge
Simple molecules do not exist

Question 13

1 Point

Since metallically bonded atoms have a delocalised pool of electrons, these electrons are able to conduct ……

Electricity
Heat
Sound
Electromagnetic waves

Question 14

1 Point

Why are metals malleable?

Because the layers of metal slide across each other, rather than breaking the bonds between ions
Because metal atoms themselves are compressible and are moulded into shape
Because metal ions constantly break and reform their bonds, allowing the shape to be moulded
Because metals are very soft and so you can squash them with your thumbs

Question 15

1 Point

When a substance changes from a solid to a liquid, what happens to the mass?

The mass decreases
The mass increases
The mass stays the same
The mass is transferred to a different room

Question 16

1 Point

What are the melting and boiling points of water?

Melting point
Boiling point
Neither

0˚C
100˚C
50˚C

Question 17

1 Point

The melting point of sodium is 97.8˚C and the boiling point is 883˚C. What state is sodium at 120˚C?

Solid
Liquid
Gas

Question 18

1 Point

Balance the following chemical equation.

Al +

O₂ →

Al₂O₃

Question 19

1 Point

Balance the following chemical equation.

H₂ +

O₂ →

H₂O

Question 20

1 Point

Balance the following chemical equation

Mg +

O₂ →

MgO

Question 21

1 Point

Balance the following chemical equation.

HCl +

NaOH →

NaCl +

H₂O

Question 22

1 Point

Calculate the mass of fluorine needed to make 100g of magnesium fluoride. Consult the periodic table for all of the information you will need. Answer to one decimal place.

The balanced chemical equation for this reaction is:

F₂ + Mg → MgF₂

g

Question 23

1 Point

Calculate the mass of oxygen needed to react with 20g of hydrogen to make water.

The balanced chemical equation for this reaction is:

2H₂ + O₂ → 2H₂O

g

Question 24

1 Point

The mass before reactions is the same as after reactions, this is known as the Law of ……

Conservation of Mass
Conservation of Momentum
Conservation of Energy
Conservation of Weight

Question 25

1 Point

Chlorine has two stable isotopes, ³⁵Cl (75.77%) and ³⁷Cl (24.23%). Calculate the Aᵣ of chlorine to 2 decimal places.

Question 26

1 Point

Calculate the relative formula mass of water. Hydrogen Aᵣ = 1, Oxygen Aᵣ = 16.

Question 27

1 Point

Calculate the number of molecules in 16g of oxygen O₂.

6.02 x 10²³
3.01 x 10²³
9 x 10¹²
1.32 x 10¹²

Question 28

1 Point

Calculate the mass of 25 moles of sulfur

Question 29

1 Point

You have a sample of 788g of gold which contains 4 moles of particles. Calculate the Aᵣ of gold.

Question 30

2 Points

Dividing, multiplying, 1000, 2000, 100

If a volume is given in cm³, you can convert it to dm³ by it by .

Question 31

2 Points

Fill in the blanks to show the relationship between the different units of measurement for volume.

1dm³ = litre = cm³

Question 32

3 Points

In an experiment to measure the rate of reaction of different metals with acids. The following data was collected by placing 1g of metal in dilute hydrochloric acid. The reaction produced a gas which was collected through a tube and its volume was measured with a gas syringe. The rate of reaction was determined by how quickly the gas was produced.

The data shows how much gas was produced in 10 seconds in cm³. Use the data to determine the order of reactivity from highest to lowest.

Iron – 4.4

Magnesium – 12.9

Lead – 1.7

Tin – 2.3

Calcium – 15.0

Aluminium – 7.1

Aluminium
Magnesium
Magnesium
Tin
Iron
Lead

View Answers:

Question 33

1 Point

Place the metals in order of reactivity from high to low

Copper
Iron
Lead
Tin
Zinc

View Answers:

Question 34

1 Point

When using inert electrodes to perform electrolysis with molten lead bromide, which products will be produced at the anode and cathode?

Cathode: Lead (Pb) (s) Anode: Bromine (Br₂) (g)
Cathode: Bromine (Br₂) (g) Anode: Lead (Pb) (s)
Cathode: Hydrogen (H₂) (g) Anode: Lead (Pb) (s)
Cathode: Nitrogen (N₂) (g) Anode: Bromine (Br₂) (g)

Question 35

1 Point

When using inert electrodes to perform electrolysis with sodium sulfate solution, which products will be produced at the anode and cathode?

Cathode: Hydrogen (H₂) Anode: Sulfate (SO₄²⁻)
Cathode: Hydrogen (H₂) Anode: Hydroxide (OH⁻)
Cathode: Sodium (Na) Anode: Hydroxide (OH⁻)
Cathode: Nitrogen (N₂) Anode: Sodium (Na)

Question 36

6 Points

Use some of the following words to fill in the blanks. You can use each word more than once.

Copper, carbon, hydrogen, oxygen, less, more, electrolysis, heating

Complete the statements:
1. Metals that are reactive than are extracted through .
2. Metals that are reactive than are extracted by in a furnace.

Question 37

1 Point

What is the term that is blurred in the diagram?

Activation energy
Phenomenal energy
Exothermic energy
Endothermic energy

Question 38

1 Point

Reaction profiles are used to show the energy transfers during reactions. Drag and drop to match the reaction profile to the correct type of energy transfer.

Endothermic
Exothermic

Question 39

1 Point

Which of the following statements accurately describe catalysts?

A substance that speeds up the rate of a reaction by providing an alternative reaction route
A substance that is not changed chemically or in mass during a reaction
A substance that does not alter the products of a reaction
A substance changes chemically and in mass during a reaction
A substance that alters the products of a reaction
A substance that slows the rate of a reaction by limiting the reaction pathways

Question 40

1 Point

Drag and drop to match the reaction to the correct type

Endothermic
Exothermic

Takes in energy, making the surroundings cooler
Transfers energy to the surroundings

Question 41

1 Point

In which type of reaction would the temperature of a solution increase?

Exothermic
Endothermic
Mesothermic
Ectothermic

Question 42

3 Points

Drag and drop to match the description to the term

Element
Compound
Mixture

Contains only a particular type of atoms
Contains more than one type of atoms, chemically bonded together
Contains more than one type of atoms, but not chemically bonded together

Question 43

6 Points

Match the change of state with the transition using the words below.

Freezing, sublimation, evaporation or boiling, condensation, melting, deposition

1. Gas to liquid =
2. Liquid to solid =
3. Solid to liquid =
4. Liquid to gas =
5. Solid to gas =
6. Gas to solid =

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GCSE AQA Combined Science Trilogy Chemistry Paper 1

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