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Pure Substances and Mixtures Quiz
By Newcomer International Center
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Last updated 2 days ago
17 questions
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Question 1
1.
Question 2
2.
Question 3
3.
Question 4
4.
Question 5
5.
Question 6
6.
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Question 9
9.
Question 10
10.
Question 11
11.
Question 12
12.
This graph shows the effect of temperature on the time it takes salt to dissolve in water.
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1
This is calcium carbonate.
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This is kachumbari. People eat it in East Africa.
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Question 17
17.
What vocabulary word does this picture show?
Mixture
Pure substance
Dissolve
Properties
What vocabulary word does this picture show?
Homogeneous mixture
Element
Compound
Heterogeneous mixture
What vocabulary word does this picture show?
Compound
Separate
Mixture
Solvent
What vocabulary word does this picture show?
Dissolve
Element
Property
Pure substance
What vocabulary word does this picture show?
Heterogeneous mixture
Pure substances
Homogeneous mixture
Solute
What vocabulary word does this picture show?
Solvent
Element
Solute
Separate
Question 7
7.
Question 8
8.
Which of these pictures shows a solute?
Which of these pictures shows people
separating
?
How are
homogeneous mixtures
and
heterogeneous mixtures
similar
?
They both have different properties throughout the mixture.
They both are made of two or more substances that can be separated physically.
They both are made of only one substance.
How are
pure substances
and
mixtures
different
?
Pure substances are very big, but mixtures are very small.
Pure substances are always made of the same elements, but mixtures are two or more substances that can be separated physically.
Pure substances are made of three different substances with different parts that you can see, but mixtures are only made of one substance.
Question 13
13.
Question 14
14.
Question 15
15.
Question 16
16.
Is kachumbari an element, compound, homogeneous mixture (solution), or heterogeneous mixture? Why?
Kachumbari is a _____________________ because _________________________________.
Heterogeneous mixture
Element
Separate
Pure substance
Mixture
Properties
How many minutes did it take for the salt to dissolve in
cold
water?
6
3
2
1
In what temperature of water does salt dissolve the
fastest
?
Icy
Hot
What is calcium carbonate?
Element
Compound
Homogeneous mixture (solution)
Heterogeneous mixture
How do you know what calcium carbonate is?
Because it does not have the same properties throughout.
Because it can be separated physically.
Because it is made of two or more elements that cannot be separated physically.