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Worksheets

Mixture, solutions, and electrolytes

Total questions: 28

Worksheet time: 26mins

Name
Class
Date
1.

Identify the substance in box B.

a)

element

b)

compund

c)

mixture

2.

Identify the substance in box D.

a)

element

b)

compound

c)

mixture

3.

Identify the substance in box B.

a)

element

b)

compund

c)

mixture

4.

Identify the substance in box D.

a)

element

b)

compound

c)

mixture

5.

Identify the substance in box Y.

a)

element

b)

compound

c)

mixture

6.

Identify the substance in box W.

a)

element

b)

compound

c)

mixture

7.

Identify this substance.

a)

element

b)

compound

c)

mixture

8.

Identify this substance.

a)

element

b)

compound

c)

mixture

9.

Identify this substance.

a)

element

b)

compound

c)

mixture

10.

Identify the substance.

a)

element

b)

compound

c)

mixture

11.

What type of mixture is this

a)

heteregenous

b)

homogeneous

12.

What type of mixture is this

a)

heterogenous

b)

homogeneous

13.

What type of mixture is this

a)

Hetergeneous

b)

homogenous

14.

Which contains only elements?

a)

A

b)

B

c)

C

d)

D

15.

Which contains a pure substance? (Choose all)

a)

A

b)

B

c)

C

d)

D

16.

Which contains a mixture? (Choose all)

a)

A

b)

B

17.

Which contains a solution? (Choose all)

a)

A

b)

B

c)

None are solutions

18.

Which contains only elements (no compounds)? (Choose all)

a)

A

b)

B

c)

C

19.

Which is a heterogeneous mixture? (Choose all)

a)

1

b)

2

c)

3

d)

4

20.

Two substances have been combined physically and appear the same throughout is called a.........

a)

A homogeneous mixture

b)

A heterogeneous mixture

c)

An element

d)

A compound

21.

Salt water (NaCl & H2O) is an example of an

a)

element

b)

compound

c)

mixture

22.

Solutions that conduct a current are called ____________ and are made from ___________ compounds.

a)

electrolytes; ionic

b)

nonelectrolytes; ionic

c)

electrolytes; molecular

d)

electrolytes; covalent

23.

Which of the following is NOT a solution?

a)

the air you breathe

b)

carbonated soda

c)

nail polish mixed with acetone

d)

milk

24.
An electrolyte is...
a)
The rapid, random movement of particles in colloidal dispersion.
b)
A substance that dissolves in water and conducts electric current.
c)
A substance that dissolves in water and does not conduct electric current.
d)
The solution process when water is the solvent.
25.

Which of the following best summarizes the figure below?

a)

HX is the only electrolyte

b)

Both HX and HZ are electrolytes, but HY is not.

c)

Only HY is an electrolyte

d)

All the solutions shown are electrolytes.

26.

What would the substance be classified as?

a)

nonelectrolyte, no dissociation

b)

nonelectrolyte, complete dissociation

c)

strong electrolyte, complete dissociation

d)

weak electrolyte, partial dissociation

27.

What would the substance be classified as?

a)

nonelectrolyte, no dissociation

b)

nonelectrolyte, partial dissociation

c)

strong electrolyte, complete dissociation

d)

weak electrolyte, partial dissociation

28.

What would the substance be classified as?

a)

strong electrolyte, no dissociation

b)

nonelectrolyte, complete dissociation

c)

strong electrolyte, complete dissociation

d)

weak electrolyte, partial dissociation