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Quiz: How Much You Know About Chemical Mixtures In Chemistry?

Quiz: How Much You Know About Chemical Mixtures In Chemistry?

A mixture when it comes to chemistry is a combination of two or more substances. We have covered the results of such and how to separate them. The quiz below is designed to help a seventh-grader test out what they know about mixtures.

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Quiz Questions And Answers

A mixture is ...

A pure substancae
Two or more substances mixed together

Mixtures can be classified into 2 types, homogeneous and heterogenous. They are different because

Heterogenous has 2 substances.
Homogenous has 3 or more substances
Homogeneous looks the same throughout, with heterogenous you can see the different parts
Heterogeneous looks the same throughout, with homogeneous you can see the different parts

Another name for homogeneous is

Solution
Solvent
Solute
Saline

To separate a mixture of sand and iron it is easiest to use

Floating
Picking them out
A magnet
Filter with filter paper

Solutions are made of at least 2 parts called

Solution and solute
Solute and solvent
Solvent and saline
Solution and solvent

I'm making soup for lunch. Which would be faster, rock salt or regular table salt?

Rock salt
Table salt

What else can I do to make the salt in my soup dissolve faster?

Add a lot of table salt
Add heat
Both A & B
All of the above

Which of the following are homogeneous mixtures?

Water
Rocky road ice cream
None
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