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Dissolution and Electrolytes

Dissolution and Electrolytes

Assessment

Interactive Video

•

Chemistry

•

11th Grade - University

•

Easy

Created by

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?


Evaluate responses using AI:

OFF

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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