

Understanding Electrolytes and Mixtures
Interactive Video
•
Chemistry
•
6th - 8th Grade
•
Hard
Evelyn Hayes
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What was the purpose of the experiment with the four glasses?
To identify the color of the liquids
To determine which liquids can conduct electricity
To measure the temperature of the liquids
To find out the pH level of the liquids
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a characteristic of homogeneous mixtures?
They have a visible boundary between substances
They are not uniform at a molecular level
They are also known as solutions
They cannot dissolve in water
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What allows solute particles to dissolve uniformly in water?
The color of the solute
The size of the solute particles
Water's magnet-like properties
Water's temperature
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why does salt water conduct electricity?
Because salt particles break into charged particles
Because it is a non-electrolyte
Because salt particles remain whole
Because it forms a heterogeneous mixture
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens when sugar is dissolved in water?
It becomes a strong electrolyte
It forms charged particles
It does not dissolve at all
It separates but does not form charged particles
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What type of mixture is formed when sand is added to water?
An electrolyte solution
A heterogeneous mixture
A homogeneous mixture
A solution
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the characteristic of a weak electrolyte?
It forms a heterogeneous mixture
It completely dissociates into charged particles
It partially breaks into charged particles
It does not conduct electricity at all
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