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#5. Solutions: Outcome A2A

Last updated 10 months ago

18 questions

1 point

1

Question 1

1.

Which of the following is an example of a mechanical mixture?

a. concrete

b. window cleaner

c. water

d. apple juice

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1

Question 2

2.

Which of the following is the best definition of a solution?

a. The amount of solute in a solution.

b. Two or more substances combined to form a mixture that is uniform throughout.

c. The substance in which the solute dissolves.

d. A substance that appears to have more than one type of particle.

1 point

1

Question 3

3.

What is the best definition of a mechanical mixture?

a. The amount of solute in a solution.

b. Two or more substances combined to form a mixture that is uniform throughout.

c. The substance in which the solute dissolves.

d. Two or more substances combined to form a mixture that is non-uniform throughout.

1 point

1

Question 4

4.

Which of the following is a solution?

a. wild bird seed

b. flat soda pop

c. granola

d. orange juice with pulp

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1

Question 5

5.

Which of the following is the best definition of a solvent?

a. The substance that dissolves.

b. The substance there is less of.

c. The substance that does the dissolving.

d. A mixture of two or more substances.

For Questions 6-10, classify each as either a mechanical mixture or a solution

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1

Question 6

6.

concrete?

a. mechanical mixture

b. solution

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1

Question 7

7.

milk

a. mechanical mixture

b. solution

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1

Question 8

8.

air

a. mechanical mixture

b. solution

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1

Question 9

9.

tap water

a. mechanical mixture

b. solution

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1

Question 10

10.

chocolate chip cookie dough

a. mechanical mixture

b. solution

In each of the following solutions, identify the solute. 

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1

Question 11

11.

salt water

a. salt

b. water

1 point

1

Question 12

12.

air (78% nitrogen, 22% oxygen and other gases)

a. nitrogen

b. oxygen and other gases

Choose the correct term or terms to complete the following sentences: 

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1

Question 13

13.

A mixture that appears to contain only one kind of particle is called a

a. solubility

b. solution

c. pure substance

d. concentration

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Question 14

14.

The mass of solute per volume of solution is referred to as the substance's

a. solubility

b. solution

c. pure substance

d. concentration

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Question 15

15.

How well a substance will dissolve in a solvent is defined as the substance's

solubility

solution

pure substance

concentration

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Question 16

16.

You can make a solution more concentrated by adding more _________.

solute

solvent

water

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1

Question 17

17.

Which technique could increase or speed up the rate of dissolving?

Allowing the mixture to settle

Stirring the mixture

Adding more powder

Adding more water

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Question 18

18.

A student is preparing solutions for a laboratory experiment by dissolving solid solutes in liquid solvents. Which action will increase the rate of solubility?

increasing the pressure on the solution

increasing the temperature of the solvent

increasing the particle size of the solute

Increasing the temperature of the solute