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Practice - Materials and Their Properties - 05

Are you ready to dive into the fantastic world of Mixtures and Solutions? Science can be a lot of fun, especially when you get to explore how different things blend together (or don't blend). This quiz will test your knowledge on mixtures and solutions, but remember, it's all about learning. So, get your lab coat on, and let's see how well you remember your science lessons! Good luck, little scientists!
1.
Which of the following is an example of a solution?
A rock
Oil and water
Salt water
Water
Salt water is an example of a solution because the salt is completely dissolved in the water.
2.
What is the method of separating a solid from a liquid in a mixture called?
Filtering
Mixing
Blending
Stirring
Filtering is the process of separating a solid from a liquid in a mixture. The liquid is able to pass through the filter, but the solid is not.
3.
What is a heterogeneous mixture?
A mixture where you can see the different parts
A mixture where all parts are dissolved
A type of pure substance
A type of solution
Heterogeneous mixtures are those where you can see the different parts, such as cereal in milk, or potatoes in a stew.
4.
What is a solution?
A type of mixture
A solid substance
A type of question
A gas
A solution is a type of mixture where substances are fully dissolved and cannot be separated.
5.
What is a homogeneous mixture?
A type of solution
A mixture where you can see the different parts
A pure substance
A type of solvent
Homogeneous mixtures are solutions where everything has dissolved and you can't see the different parts. An example is salt dissolved in water.
6.
What is the substance that is being dissolved in a solution called?
Solute
Solvent
Solar
Soldier
In a solution, the solute is the substance that gets dissolved. An example would be sugar in a sugar-water solution, water would be the solvent.
7.
Can solutions be separated back into their original parts?
Yes, easily
No, never
Yes, but it's difficult
Only sometimes
Yes, but it's often difficult to separate solutions back into their original parts. Sometimes, it can be done using methods like evaporation.
8.
What is a substance that is unable to be dissolved in a solvent called?
Soluble
Solution
Insoluble
Disperse
An insoluble substance is one which cannot be dissolved in a solvent. An example would be oil in water.
9.
What happens when you mix oil and water?
Oil dissolves in water
Water dissolves in oil
Oil and water do not mix
Oil and water form a solid
Oil and water do not mix. They form a heterogeneous mixture.
10.
What is a solvent in a solution?
The substance in which a substance dissolves to form a solution
The substance that is being dissolved
A type of glue
An insoluble substance
A solvent is the substance in which the solute dissolves. In the sugar-water solution example, water is the solvent, sugar the solute.
Author:  Graeme Haw

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