
Exploring Mixtures and Solutions Quiz
Authored by Marcela Vega
Science
7th Grade
NGSS covered
Used 7+ times

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26 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is a pure substance?
Salt water
Distilled water
Air
Soil
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main difference between a homogenous mixture and a heterogenous mixture?
Homogenous mixtures have visible parts, heterogenous mixtures do not
Homogenous mixtures are made of only one substance
Homogenous mixtures have a uniform composition throughout, heterogenous mixtures do not
Heterogenous mixtures are always liquids
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is an example of a homogenous mixture?
Salad
Muddy water
Salt dissolved in water
Sand and iron filings
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a solution of sugar and water, what is the solvent?
Sugar
Water
Both sugar and water
Neither sugar nor water
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the concentration of a solution refer to?
The amount of solvent present
The amount of solute dissolved in a given amount of solvent
The temperature of the solution
The colour of the solution
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is NOT a method used to separate mixtures?
Evaporation
Distillation
Melting
Chromatography
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main purpose of evaporation in separating mixtures?
To separate two liquids
To separate a dissolved solid from a liquid
To mix two substances together
To cool down a mixture
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