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WorksheetsChemistry unit 1: Particles
Total questions: 20
Worksheet time: 10mins
Which of the following substance is a gas?
Wood
Air
Water
Iron
How are particles arranged in a solid?
Tightly packed, vibrating but not moving, as close together as possible
Lots of space and moving quickly
Some space and moving quickly
Tightly packed, as close together as possible and moving around
Which state of matter has a fixed volume but flows easily?
Solid
Liquid
Solution
Gas
What is the following image a representation of?
solid
liquid
gas
solution
Name the process that causes a state change from solid to a liquid
Freezing
Condensation
Melting
Boiling
Name the process that causes a state change from a gas to a liquid
freezing
condensation
melting
boiling
Which state can be compressed or squashed easily?
solid
liquid
gas
none of these
Which particles sit in a regular pattern held together tightly by bonds?
solid
liquid
gas
none of these
What is sublimation?
When a solid changes to a liquid
when a liquid changes to a gas
when a liquid changes to a solid
When a solid changes to a gas
What is distillation?
Technique used to separate different colored substances
Technique used to separate substances by boiling and condensing
Technique used to separate a solid dissolved in a liquid by heating
Technique used to separate a solid using a filter
If a cup of sea water is evaporated what is left behind in the cup?
salt
water
salt and water
sugar
Why does the temperature of water not change when it is boiling?
As all the energy is being used to separate the molecules
As the energy is needed to make the water condense
As the energy is needed to make the temperature reduce
As the energy is needed to breaks the molecules of water down into atoms of hydrogen and oxygen
Which statement best describes the arrangement of the particles in a solid?
They are all packed as closely together as possible
They have a little bit of space
There is lots of space between the particles
They have some space between the particles
Which statement best describes how the particles in a liquid behave when they are squashed?
They are squashed a little as there is some space between the particles
They can’t be squashed
They merge together
They vanish
Which one of the following is not considered to be one of the three states of matter?
Mass
solid
liquid
gas
What does the glass tube called the condenser do during distillation?
Heat up the water
Cool the water vapor back to liquid so that it can be collected
Clean the ink
Allow the water vapor to be collected
If you dissolved 10g of salt in 100g of sugar, what would the solution be?
100g
10g
110g
1000g
What factors affect the rate of diffusion?
Temperature
Concentration gradient
Medium (whether liquid or gas)
All of the above
Diffusion occurs in which two states of matter?
solid and gas
solid and liquid
liquid and gas
all of the above
Why shouldn’t you draw the line at the bottom of the chromatography paper in pen?
The ink will dissolve
The ink will evaporate
The ink will photosynthesise
The ink will explode
