WorksheetsMixtures & Solutions Part 2
Total questions: 13
Worksheet time: 17mins
Name
Class
Date
1.
A solid dissolved in water can be separated from the water by _____.
a)
flotation
b)
evaporation
c)
sifting
d)
magnetic attraction
2.
Which of the following can be separated using the equipment in the picture?
a)
a solution of sugar and water
b)
a mixture of oil and water
c)
a mixture of popcorn kernels and water
d)
a mixture of popcorn kernels and gravel
3.
In a box, there is a mixture of iron filings and sand. Which is the easiest way to separate the iron filings from the sand?
a)
sifting
b)
filtration
c)
evaporation
d)
magnetic attraction
4.
A solution is made using 150 mL of water and 10 g of table salt. Which of the following statements is true?
a)
The solvent is the table salt, and the solute is the water.
b)
The solute is the table salt, and the solvent is the water.
c)
Solvents are always liquids; therefore, water is the solvent.
d)
Solutes are always solids; therefore, salt is the solute.
5.
When a solution evaporates from a container, _____ may remain at the bottom or sides.
a)
solvent
b)
chemical
c)
solute
d)
saturation
6.
In a solution, the substance being dissolved is called the _____.
a)
solute
b)
solvent
c)
precipitate
d)
element
7.
When one solution has more solute than another solution, it is said to be more _____.
a)
diluted
b)
concentrated
c)
dissolved
d)
non-saturated
8.
The substance in a solution that does the dissolving is called the _____.
a)
solute
b)
solvent
c)
element
d)
compound
9.
Michael made a solution using 10 g of salt in 100 mL of water. What should Michael do to his original solution to make it less concentrated?
a)
add more salt
b)
evaporate some of the water
c)
add more water
d)
stir the solution
10.
In which temperature would sugar dissolve slowest?
a)
boiling water
b)
hot water
c)
room temperature water
d)
ice water
11.
Which of the following would dissolve fastest?
a)
sugar cubes in cold water
b)
sugar crystals in cold water
c)
sugar cubes in hot water
d)
sugar crystals in hot water
12.
Fifty grams of salt is added to 200 mL of water. Which of the following methods would make the salt dissolve faster?
a)
Place the mixture in the refrigerator.
b)
Place the mixture in a dark place.
c)
Stir the mixture.
d)
Allow the mixture to sit undisturbed.
13.
Kendra is doing an experiment to measure how fast two different substances dissolve. She dissolved large particles of sugar in water for Mixture A and small particles of sugar in water for Mixture B. She tested both mixtures at 20 °C. Which of the following questions is Kendra trying to answer?
a)
Does temperature affect how fast a substance dissolves?
b)
Does particle size affect how fast a substance dissolves?
c)
Does stirring affect how fast a substance dissolves?
d)
Does the solvent affect how fast a substance dissolves?
100 %
