Mixtures & Solutions Review
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This will help you to prepare for our unit test.
- 1.A solution in which no more material will dissolve is _____.
- A.
Saturated
- B.
Dissolved
- C.
Diluted
- D.
Solvent
- 2.The material that seems to disappear in a solution is the _____.
- A.
Solute
- B.
Solvent
- C.
Translucent
- D.
Property
- 3.If one lemonade mixture has twice as much water AND twice as much powder as the first, the solutions have the same
- A.
Concentration
- B.
Volume
- C.
Crystals
- D.
Mass
- 4.The solid form of a material that can be identified by it's properties such as shape and pattern is a _____.
- A.
Crystal
- B.
Solute
- C.
Particle
- D.
Solution
- 5.To add water is to _____.
- A.
Dilute
- B.
Concentrate
- C.
Particle
- D.
Solvent
- 6.A new solid material formed as a result of a chemical reaction is a _____.
- A.
Precipitate
- B.
Crystal
- C.
Solute
- D.
Solvent
- 7.Water is the _____ in a salt-water solution.
- A.
Solvent
- B.
Solute
- C.
Precipitate
- D.
Saturation
- 8.The only difference between a screen and filter paper is the size of the _____.
- A.
Holes
- B.
Particles
- C.
Solution
- D.
Scientist
- 9.The liquid that dissolves a solid material in a solution is called the _____.
- A.
Solvent
- B.
Solute
- C.
Concentrate
- D.
Evaporation
- 10.The amount of a substance that can be dissolved in a set amount of water is it's _____.
- A.
Solubility
- B.
Concentration
- C.
Flavor
- D.
Reactant
- 11.An explosion is an example of which of the signs of chemical reaction
- A.
Heat release
- B.
Gas formation
- C.
Precipitate formation
- D.
Dissolving
- 12.What did the bags allow us to discover about our chemical reactions?
- A.
How much gas was created
- B.
Gas was created
- C.
Chalk was created
- D.
We needed more water
- 13.I have a new white substance following a chemical reaction. How could I test for a characteristic to prove it is chalk?
- A.
See if it reacts with vinegar
- B.
Taste it
- C.
Ask Mr. Rohder to taste it
- D.
Weigh it
- 14.Baking soda was the common ingredient in our chemical reactions. What happens when I add water to just baking soda?
- A.
Baking soda dissolves
- B.
It makes gas
- C.
It makes chalk
- D.
It starts on fire
- 15.What gas do they use in fire extinguishers to put out fires?
- A.
Carbon dioxide
- B.
Oxygen
- C.
Hydrogen
- D.
Nitrogen
- 16.Which is less soluble: salt or citric acid
- A.
Salt
- B.
Citric acid
- 17.How can solutions be separated?
- A.
Evaporation
- B.
Coffee filter
- C.
Screen filter
- D.
Shake them
- 18.Is it more accurate to measure in centimeters or meters?
- A.
Centimeters
- B.
Meters
- 19.How did we know when our solutions were saturated?
- A.
There was solute at the bottom
- B.
The solution tasted better
- C.
The solution appeared cloudy
- D.
The solution bubbled
- 20.What could I do to test a mixture that I believe could be a solution?
- A.
Filter it and observe that it can't be separated
- B.
Filter it and separate the solute
- C.
Shake it some more
- D.
Weigh it
- 21.If I used water that had been in the refrigerator would it dissolve more or less solute than warm water from the sink?
- A.
Less
- B.
More
- 22.Will concentration go up forever if I just keep adding solute?
- A.
No
- B.
Yes
- 23.We combined calcium chloride and baking soda. This produced chalk and salt water. Name a reactant in the reaction
- A.
Calcium chloride
- B.
Chalk
- C.
Salt water
- D.
Carbon dioxide
- 24.Which one is the correct diagram for the items included?
- A.
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- B.
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- C.
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- D.
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- 25.
![Which solution has the lowest concentration?
- ProProfs]( "Which solution has the lowest concentration?")
Which solution has the lowest concentration?- A.
A & B
- B.
A
- C.
B
- D.
C
- E.
All of the above
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