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Water & Solutions
Test Description: Transitus Science: Water & Solutions.
Instructions: Answer all questions to get your test result.
1) How many different dyes does the blue ink contain?
A
1
B
3
C
2
D
4
2) What word describes a solid that does not dissolve?
A
Solute
B
Insoluble
C
Saturated
D
Soluble
3) What is the name of this piece of equipment?
A
Spoon
B
Spatula
C
Funnel
D
Test Tube
4) Which method of separation would you used to recover the sand from sandy water?
A
Evaporation
B
Chromatography
C
Filtration
D
Distillation
5) Which method of separation would you use to recover just the salt from salty water?
A
Chromatography
B
Distillation
C
Evaporation
D
Filtration
6) In distillation, what is the purpose of the piece of equipment highlighted in the diagram?
A
It causes the water to evaporate into a gas.
B
It catches (and removes) any solute particles that are left in the gas.
C
It allows some of the gas to be removed before it is able to condense.
D
It cools the gas so that it condenses back to liquid water.
7) What is one advantage of distillation over evaporation?
A
It allows you to recover both the solute and the solvent from a soluion.
B
It is a trick question. There are no advantages to distillation.
C
It is quicker and easier to set up.
D
Distillation does not require as high a temperature as evaporation.
8) What is filtration used for?
A
Separating a soluble solid from a liquid when you want to keep both the solid and the liquid.
B
Separating a soluble solid from a liquid when you only want to keep the solid.
C
Separating a mixture of two (or more) different liquids.
D
Separating an insoluble solid from a liquid.
9) Which chemical as the highest solubility at 60 degrees?
A
KN03
B
NaNO3
C
Water
D
NaCl
10) Which piece of apparatus can not usually be used to find the volume of a liquid?
A
Beaker
B
Test Tube
C
Measuring Cylinder
D
Connical Flask
*select an answer for all questions
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