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Introduction: Conductivity, ionic, covalent solutions, ions, electricity - Make sure you are reviewing Unit 4 Lessons 4-6 to help with portfolio concepts.
1. Watch the Video in U4L4 pg. 3 Conductivity Solutions U4L4 p 3 and answer the following questions.



Review U4L4 pg 2

Question 1
Which solution in the video demonstrated the properties of an ionic solution(1 point)
Responses

The H2O solution
The H2O solution

The NaCl solution
The NaCl solution

the C12H22O11 solution
the C12H22O11 solution

The sugar solution
The sugar solution
Question 2
If the light bulb does not light up that means the solution(1 point)
Responses

The solution is most likely made up of a covalent substance
The solution is most likely made up of a covalent substance

The solution contains salt
The solution contains salt

The substance contains ions
The substance contains ions

The solution is most likely made up of an ionic substance
The solution is most likely made up of an ionic substance
Question 3
In order for conductivity to be measured the ions have to be(1 point)
Responses

made up of a covalent solution
made up of a covalent solution

Negatively Charged
Negatively Charged

present whether in solid or liquid form
present whether in solid or liquid form

freely moving (aqueous solution)
freely moving (aqueous solution)
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Answer 1

Here are the answers:

1. The NaCl solution
2. The solution is most likely made up of a covalent substance
3. freely moving (aqueous solution)