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WorksheetsMixtures and Solutions Quiz
Total questions: 22
Worksheet time: 11mins
Name
Class
Date
1.
A student mixes a colorless liquid and a pink solid. When all of the solid dissolves, the solution is pink. Ten minutes later, a solid settles on the bottom of the cup. What is the BEST evidence that a chemical reaction occurred?
a)
The solution turned pink.
b)
The pink solid dissolved.
c)
The solid at the bottom of the cup.
d)
You could still see through the liquid.
2.
A student makes a flourless chocolate cake. He measures out these ingredients.
115 g of chocolate (C)
100g of butter (B)
175g of sugar (S)
56g (2) eggs (E)
Which pair of graphs best shows the relationship between the mass of the ingredients and the mass of the mixture before baking?
115 g of chocolate (C)
100g of butter (B)
175g of sugar (S)
56g (2) eggs (E)
Which pair of graphs best shows the relationship between the mass of the ingredients and the mass of the mixture before baking?
a)
A
b)
B
c)
C
d)
D
3.
Three solutions are made with the same solid material (see chart below) and the same amount of water.
Which solution is least concentrated?
Which solution is most concentrated?
Which solution is least concentrated?
Which solution is most concentrated?
a)
Solution C is the least, Solution A is the most.
b)
Solution B is the least, solution A is the most.
c)
Solution A is the least, solution C is the most.
d)
Solution B is the least, solution C is the most.
4.
A student makes two citric acid solutions, P and Q. He puts 60 mL of water in each cup. He puts 10 Spoons of citric acid in cup P and 12 spoons in cup Q. Both solutions are saturated. Which picture below shows what the balance would look like if the student filtered the solutions, then put 50 mL of each in the cups on the balance?
a)
A
b)
B
c)
C
d)
D
5.
A student adds 3 spoons of solid to 100 mL of water. The solution is clear, with nothing on the bottom of the cup. One spoon of the solid has a mass of 5 g.
What is the mass of the solution?
What is the mass of the solution?
a)
5g
b)
15g
c)
105g
d)
115g
6.
A student adds 3 spoons of solid to 100 mL of water. The solution is clear, with nothing on the bottom of the cup. One spoon of the solid has a mass of 5g.
After the water evaporates, what is the mass of the solid remaining in the cup?
After the water evaporates, what is the mass of the solid remaining in the cup?
a)
5g
b)
15g
c)
13g
d)
100g
7.
Solution R and Solution S are both made with water and the same solid. You measure equal amounts into two separate cups and weigh each solution.
Which solution is more concentrated?
Which solution is more dense?
Which solution is more concentrated?
Which solution is more dense?
a)
R is more concentrated and S is more dense.
b)
S is more concentrated and S is more dense.
c)
R is more concentrated and R is more dense.
d)
S is more concentrated and R is more dense.
8.
Students mix baking soda and white vinegar. The mixture begins to bubble, and later there is a clear liquid left in the cup. Which of the following describes the bubbles?
a)
a product of a chemical reaction.
b)
the component of a mixture.
c)
a solute of a solution.
d)
a reactant in a chemical reaction.
9.
How would you describe the change of an iron nail into iron oxide?
a)
A physical change.
b)
Rusting.
c)
Weathering.
d)
Getting old.
10.
The two cups on the balance each contain 50 mL of different solutions made with the same materials. (Notice the balance is not level)
Cup A contains a solution made by mixing 2 spoons of solid in 100 mL of water. Which solution listed below must be in Cup B?
Cup A contains a solution made by mixing 2 spoons of solid in 100 mL of water. Which solution listed below must be in Cup B?
a)
5 spoons of a solid, 250 mL of water
b)
3 spoons of solid, 600 mL of water
c)
8 spoons of solid, 400 mL of water
d)
6 spoons of solid, 300 mL of water
11.
Which of the following is a chemical reaction?
a)
Ben a glow light stick to mix materials and produce heat and light.
b)
Citric acid dissolves in water and the solution remains clear.
c)
A soft-drink bottle is opened and the liquid starts bubbling.
d)
Soft-drink powder mixes with water, and the water turns purple.
12.
What is a starting substance in a chemical reaction?
a)
Solute
b)
Solvent
c)
Reactant
d)
Product
13.
What is the substance(s) created or resulting from a chemical reaction?
a)
solvent
b)
solution
c)
product
d)
reactant
14.
What is a substance that dissolves in a solvent to form a solution?
a)
solute
b)
solvent
c)
powder
d)
water
15.
What do you call a solution in which the solvent cannot dissolve any more solute?
a)
Heavy
b)
Stable
c)
Saturated
d)
ratio
16.
A solution containing a lot of solute
a)
Diluted
b)
Condensation
c)
Concentrated
d)
Compressed
17.
The change from a gas to a liquid state.
a)
Diluted
b)
Freezing
c)
Melting
d)
Condensation
18.
Capable of being dissolved
a)
Soluble
b)
Solvent
c)
Product
d)
Reactant
19.
A characteristic that describes a substance, such as color, size, shape, or texture
a)
Chemical change
b)
Attribute
c)
Physical Property
d)
Radioactivity
20.
Is melting a physical or chemical change?
a)
Physical
b)
Chemical
21.
Which is a chemical reaction?
a)
Condensation.
b)
Ice melting in a glass.
c)
An air bag inflating.
d)
Popping a balloon.
22.
Which is a physical change?
a)
Rusting.
b)
Burning a piece of paper.
c)
An air bag inflating.
d)
Tearing paper in half.
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