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- 1. Multiple Choice
Bethan has collected a sample of seawater in a bucket from her local beach. The seawater contains water, salt and sand. Which series of separation techniques could she use to separate and collect the sand, salt and water?
Filtration followed by evaporation
Distillation followed by filtration
Filtration followed by distillation
- 2. Multiple Choice
Which method involves evaporating half the solvent away?
Crystallisation
Evaporation
Magnetic Separation
Filtering
- 3. Multiple Choice
What metal is magnetic?
Gold
Iron
Silver
Aluminium
- 4. Multiple Choice
which substance can be separated from its mixture by filtration?
water from seawater
small stones from seawater
salt from seawater
- 5. Multiple Choice
Chromatography separates the mixture of dyes on the basis of their.........
density
gravity
boiling point
solubility
- 6. Multiple Choice
If the substance is not soluble in water, what will happen to the dot?
Dot moves to the top of the paper
Dot moves to the left or right
Dot does not move at all
Dot moves down to the paper of the paper
- 7. Multiple Choice
In paper chromatography, the MOST soluble solute .....
Does not move from the start point
Travels furthest away from the start point
Stays closest to the start point
can be found in the middle of the chromatogram
- 8. Multiple Choice
As you go down group 1, reactivity:
Increases
Decreases
Stays the same
- 9. Multiple Choice
Group 1 are also known as:
Nobel gases
Alkali metals
Halogens
- 10. Multiple Choice
As you go down group 7, reactivity:
Increases
Decreases
Stays the same
- 11. Multiple Choice
Group 7 are also known as:
Alkali metals
Nobel gases
Transition metals
Halogens
- 12. Multiple Choice
Nobel gases are unreactive because:
They don't have enough electrons
They have a full outer shell
They have too many shells
- 13. Multiple Choice
What is mass measured in?
Newtons
Kilograms
N/m2
Joules
- 14. Multiple Choice
What is weight measured in?
Newtons
Kilograms
N/m2
Joules
- 15. Multiple Choice
What is energy measured in?
Newtons
Kilograms
N/m2
Joules
- 16. Multiple Choice
Which is the correct equation for work done?
work done = mass X distance
work done = mass X time
work done = force X distance
work done = force X time
work done = force / distance
- 17. Multiple Choice
A horse and a pony walk across a field at the same constant speed.
The horse has 4000 joules of kinetic energy.
The pony is half the mass of the horse.
What is the kinetic energy of the pony?
2000J
4000J
6000J
8000J
- 18. Multiple Choice
Name the missing types of energy:
Thermal, Magnetic, Light, Gravitational, Sound, Electrical, Nuclear, Chemical...
Kinetic and elastic
Movement and kinetic
Heat and kinetic
- 19. Multiple Choice
What is the standard form for Kilo
10 ^3
10^ 6
10^9
- 20. Multiple Choice
Select the correct equation for Power.
Power = energy x time
Power= energy / time
Power = time / energy
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