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Worksheets01-11-2021 Year 9 Chemistry Quiz 2 KS3 C1 Part 2
Total questions: 30
Worksheet time: 15mins
What is an element?
A material containing only one atom
A material containing only one type of atom
A material contain only two types of atoms
A material containing no atoms
What is a compound?
A material containing only one atom
A material containing only one type of atom
A material containing more than one type of atom bonded together
A material containing more than one type of atom not bonded together
What is a mixture?
A material containing only one atom
A material containing only one type of atom
A material containing more than one type of atom bonded together
A material containing more than one type of atom not bonded together
Which of the following would NOT be classed as a pure chemical?
Element
Compound
Mixture
Molecule
Which of the following is NOT a mixture?
Sea water
Air
Soil
Diamond
Which of the following is NOT an element?
Water
Iron
Oxygen
Bromine
Which of the following is NOT true?
Mixtures retain the properties of both the chemicals that make them up
Mixtures can be easily separated
Compounds have properties different to the chemicals that make them up
Compounds can be easily separated
Which of the following is true?
Pure water has a sharp boiling point
Pure water has a higher boiling point than salt water
Salt water has a sharp boiling point
Pure water has a lower melting point than salt water
Which of the following can be pure substances?
Atoms
Molecules
Giant structures
All of the above
Which of the following CANNOT be impure substances?
Atoms
Molecules
Giant structures
All of the above
What do we call a chemical that a substance is able to dissolve in?
Solvent
Solute
Solution
Soluble
What do we call a substance that is able to dissolve in a chemical?
Solvent
Solute
Solution
Soluble
What do we call a substance that is UNABLE to dissolve in a chemical?
Asouble
Unsoluble
Insoluble
Non-soluble
What do we call a mixture of a substance and the chemical it has dissolved into?
Solvent
Solute
Solution
Soluble
Which of the following is a chemical process?
Melting
Dissolving
Evaporating
None of the above
Which of the following CANNOT dissolve in water?
Salt
Sand
Sugar
Oxygen
What do we call a mixture into which no more of a substance can dissolve?
Full
Soluted
Saturated
Complete
Why do some substances dissolve in water whilst others do not?
The dissolving particles are more attracted to the water particles than each other
The dissolving particles fit in the gaps between the water particles
The water particles make room for particular chemicals
The dissolving particles are able to melt in water
How can you increase the amount of salt that dissolves in water?
Cool the water
Heat the water
Add acid to the water
Filter the water
What do we call the measurement of how much of a solute is dissolved into a solution?
Strength
Volume
Amount
Concentration
Which of these processes is most suited for removing sand from water?
Filtration
Evaporation
Distillation
Chromatography
Which of these separation techniques is most suitable for getting salt out of salt water?
Filtration
Evaporation
Distillation
Chromatography
Which of the following is most suitable for separating differently coloured inks?
Filtration
Evaporation
Distillation
Chromatography
Upon which property does chromatography work?
Solubility
Melting point
Boiling point
Concentration
What process is shown in this image?
Filtration
Evaporation
Distillation
Chromatographt
Which state change(s) occur in distillation?
Evaporation
Condensation
Evaporation, then condensation
Condensation, then evaporation
What is the advantage of distilling salt water as opposed to using evaporation?
The salt is purer
It retains the water
It takes less time
It uses less energy
Which of these is NOT a use of chromatography?
Identify a substance
Monitor the progress of a reaction
Measure the purity of a mixture
Record the concentration of a chemical
If you were separating salt and sand into separate piles, which order would you complete the separation?
Filtation, add water, distillation
Add water, distillation, filtration
Distillation, add water, filtration
Add water, filtration, distillation
What do we call the solid left behind after filtration?
Filtrate
Product
Residue
Waste
