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Mixtures & Solutions
Test Description: Used to review for the FOSS Science unit on Mixtures & Solutions. There's only four because there is another similar test on this site I just wanted to add to.
Instructions: Answer all questions to get your test result.
1) Which one of these is NOT a property
A
Solubility
B
Solvent
C
Texture
D
Smell
2) The material that falls out of the water when a chemical reaction occurs is called…
A
Precipitate
B
Rain
C
Chalk
D
Solution
3) Which solution has the most concentration?
A
1 spoon in 1000 ml of water
B
2 spoons in 1000 ml of water
C
3 spoons in 1000 ml of water
D
2 spoons in 500 ml of water
4) Which material below is a solvent?
A
Vinegar
B
Sand
C
Citric Acid
D
Evaporation
5) What best described when a material
A
It changes color
B
It evaoprated
C
It dissolved
D
It became saturated
6) How can you tell which solution is more concentrated when they look the same and have the same volume?
A
Use a balance to see which is the heaviest
B
Taste the mystery solution
C
Use a thermometer to test temperatures
D
Put your finger in the mystery solution
7) How could you make a more concentrated solution?
A
Pour out some of the solution
B
Add more solute
C
Put the solution in the refrigerator
D
Add more solvent
8) Which method would be best for separating citric acid and water
A
floatation
B
chromotography
C
evaporation
D
filtering through a coffee filter
9) A liquid used to dissolve a solute is called a __________________.
A
solution
B
solubility
C
solvent
D
solute
10) Which factor will NOT cause a solute to dissolve more quickly?
A
shaking
B
adding ice to the water
C
stirring
D
heating the water
*select an answer for all questions
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