Dissolution and Electrolytes
Interactive Video
•
Chemistry
•
11th Grade - University
•
Easy
Juan Crosby
Used 2+ times
FREE Resource
25 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a definition of electrolyte?
A substance that dissolves in water but does not conduct electricity.
A substance that only conducts electricity in its solid state.
A substance that forms covalent bonds with water molecules.
A substance that dissociates into ions when dissolved in water, allowing it to conduct electricity.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a nonelectrolyte?** 0:43
A substance that only conducts electricity when molten.
A substance that partially dissociates into ions in solution.
A substance that fully dissociates into ions in solution.
A substance that does not dissociate into ions and cannot conduct electricity.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What determines if an electrolyte is "strong"?
Its molecular weight.
The extent to which it dissociates into ions (complete dissociation).
Its physical state
Its ability to dissolve in water.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What type of molecules are water molecules described as in the video?
Nonpolar
Ionic
Polar
Hydrophobic
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following ions is attracted to the oxygen atom of water molecules when table salt dissolves?
Potassium ion
Chloride ion
Sodium ion
Calcium ion
6.
OPEN ENDED QUESTION
3 mins • 1 pt
How can we experimentally determine if a substance is a strong, weak, or non-electrolyte?
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7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is an example of a strong electrolyte?
Ethanol
Sugar
Potassium chloride
carbon dioxide
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