WorksheetsCycle 1 Revision
Total questions: 50
Worksheet time: 32mins
Which change of state is given as W?
Evaporation
Freezing
Condensation
Melting
Which change of state is given shown as Y? (a)
In which change of state do particles lose energy to become arranged in a regular and ordered structure?
W
X
Y
Z
In which change of state do particles gain energy to move freely with large spaces between particles?
W
Z
X
Y
In which state do particles vibrate in a fixed position? (a)
Which is the only state of matter that can be compressed (squashed)?
Solid
Gas
Liquid
Which is the only state of matter that does not have a fixed volume?
Gas
Liquid
Solid
Which theory describes the arrangement and movement of particles in solids, liquids and gases?
Big Bang Theory
Kinetic Theory
Atomic Theory
Theory of Relativity
In which state of matter are the particles mostly touching but arranged in a random way? (a)
In which state of matter do the particles have the most energy?
Gases
Solids
Liquids
Why can liquids not be compressed easily?
The particles are closely packed
There are big gaps between particles
The particles are free to move over each other
The particles are in a random arrangement
What is sublimation?
When a solid turns into a gas (no liquid phase)
When a gas turns into a solid
When a gas turns into a liquid
When a solid turns to a gas with a liquid phase between
What eventually happens if energy is continually removed from a liquid?
it boils
It evaporates
It freezes
It melts
What eventually happens to a gas if its pressure is increased?
It remains as a gas
It will explode
It turns to a solid
It becomes a liquid
What shape are changes of state in a heating curve? (a)
How is evaporation different from boiling?
It only occurs at the surface of a liquid
Evaporation happens throughout the liquid
They are the same
Boiling can happen at any temperature
What is the melting point of this substance? (a)
What is the boiling point of this substance?
-60°C
60°C
100°C
You cannot tell from this graph
What state is the substance at -40°C?
Solid
Liquid
Gas
What state is the substance at -100°C
Solid
Liquid
Gas
Hydrogen chloride (HCl) reacts with ammonia (NH3) to produce ammonium chloride which forms as a white ring in the tube. Which line on the diagram shows where the line will form? (a)
A student accidentally leaves a bottle of ammonia open in the corner of the lab. After a few minutes the smell has travelled to the other side of the room. Which process has occurred?
Brownian motion
Diffusion
Dilution
Evaporation
Some bleach is accidentally spilled on the floor and after a few minutes the floor is dry and the room smells of bleach. What processes have occurred?
Boiling and diffusion
Boiling and evaporation
Evaporation and diffusion
Diffusion only
The diagram shows what happens when a blue crystal is placed in water. Which row correctly describes the processes taking place?
A
B
C
D
Measuring volumes of liquids is a fundamental skill needed in Chemistry. The diagram shows 3 different pieces of equipment for this task. Which row is correct?
A
B
C
D
The diagram shows a burette and measuring cylinder, both of which contain a liquid. Which row shows the correct reading for both?
A
B
C
D
Pure water boils at 100°C and freezes at 0°C. Which row shows what happens when a salt, such as potassium chloride, is added?
A
B
C
D
A student carries out an investigation on different plant extracts using paper chromatography. The diagram shows the experimental set-up.
Where should the samples of plant extract be placed?
Exactly 1 cm below the pencil line
Exactly 1 cm above the pencil line
Below the pencil line
On the pencil line
Paper chromatography was used to determine if any food samples A, B, C or D contained a banned preservative named X.
Which foodstuff contains X?
A
B
C
D
The top line of diagrams shows the instructions to correctly fold filter paper for separating an insoluble solid. Which diagram from the bottom row correctly illustrates the filter paper in stage 3?
A
B
C
D
The diagram shows the experimental set up for distillation. What are the correct labels for points A and B?
A
B
C
D
Which row correctly describes the relative charges and masses for the subatomic particles?
A
B
C
D
During paper chromatography, the solvent travelled 8 cm and the pigment travelled 6 cm. What is the Rf value?
0.75
1.33
14
1.25
The atomic number of element 'Q' is 9 and a mass number of 21. In which group should element Q be placed?
Group 0
Group I
Group VII
Group II
The diagram shows an atom of an element. Which element is it?
Carbon
Beryllium
Oxygen
Boron
Element X contains 4 electrons in its outer shell and 125 neutrons in its nucleus. What is element X?
Beryllium
Carbon
Tin
Lead
The atomic structure of atoms Q, R, S and T are shown in the table. Which two atoms are isotopes?
Q and S
Q and T
R and T
R and S
Which row correctly describes the number of outer shells electrons and chemical properties of isotopes?
A
B
C
D
Which statement about isotopes is correct?
Isotopes have the same number of neutrons
All isotopes are radioactive
Isotopes can be radioactive or non-radioactive
All isotopes are non-radioactive
A section of the Periodic Table is shown in the diagram. Which elements have the correct electronic structure?
W and X
Y and Z
W and Y
X and Z
Which row correctly describes a medical use and an industrial use of radioactive isotopes?
A
B
C
D
Substances can be broadly classified into 3 categories which are elements, compounds and mixtures. Which of the following statements is correct?
Elements contain different atoms
Compounds consist of elements that are not chemically combined
Mixtures consist of elements that are chemically combined
A mixture can contain elements and compounds
Which substance can be separated from its mixture by filtration?
Water from seawater
small stones from seawater
salt from seawater
Which method is used to obtain copper sulphate crystals from copper sulphate solution?
Filtration
Simple distillation
Crystallisation
Chromatography
Which method could be used to separate chlorophyll from crushed leaves?
Filtration
Distillation
Chromatography
A student collects a sample of seawater and wants to separate and collect the sand, salt and water. Which series of techniques could they use?
Filtration followed by evaporation
Evaporation followed by filtration
Distillation followed by filtration
Filtration followed by distillation
A pigment of an ink moved 4 cm on a piece of chromatography paper, where the solvent front has moved 10 cm. What is the Rf value for the pigment?
(a)
A student wants to separate a mixture of ethanol, olive oil and water using the method of distillation. Ethanol has a boiling point of 78˚C, whilst the boiling point of olive oil is 300˚C. Which substance will be collected first?
Water
Ethanol
Olive oil
A pigment of an ink has an Rf value of 0.75, and the solvent front has moved 8 cm. Using the following equation, what is the distance moved by the pigment?
Rf value = distance moved by pigment ÷ distance moved by solvent front
(a)
A yellow solid, W, is soluble in water. Which method of separation can be used to obtain the solid from an aqueous solution?
Neutralisation
Chromatography
Distillation
Crystallisation
