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Question 1 of 15
1. Question
Connect the terms of the two columns.
Sort elements
- Heating until water vaporizes
- distilling
- Heating until water vaporizes
- with a sieve
- With a magnet.
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How can you separate oil from water?
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How can you separate a mixture of alcohol and water?
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How can you obtain salt from sea water?
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How can you separate a mixture of sand and stones?
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How can you separate a mixture of sulfur and iron filings?
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Question 2 of 15
2. Question
Type T if the statement is True or F is the statement is False.
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Mixtures are always a combination of compounds that are in different states of matter.
You can separate all mixtures by the process of filtration.
All mixtures are solutions.
Hand picking is not a method of separation.
Chromatography is a physical method of separation.
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Question 3 of 15
3. Question
All solutions are _____.
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Question 4 of 15
4. Question
Match the solution and mixture.
Sort elements
- Mixture
- solution
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Concrete block
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a cup of tea
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Question 5 of 15
5. Question
Small pieces of iron fell in salt. Which is the best method to separate the iron from the salt?
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Question 6 of 15
6. Question
The ocean is an example of a __.
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Question 7 of 15
7. Question
A substance which dissolves in a solvent, such as salt, is called a ___.
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Question 8 of 15
8. Question
Which method is used to treat water for drinking by removing solid particles?
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Question 9 of 15
9. Question
This is the method for separating different components of a liquid.
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Question 10 of 15
10. Question
Which of the following is not a pure substance?
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Question 11 of 15
11. Question
Which objects below would a magnet attract?
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Question 12 of 15
12. Question
Which of the following is an insoluble substance in water?
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Question 13 of 15
13. Question
How would you separate the following?
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rice and stones –
sand and rice –
nails and pebbles –
Correct 3 / 3 PointsIncorrect / 3 Points -
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Question 14 of 15
14. Question
You want to separate a large amount of salt from sand. Which two things should you do?
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Question 15 of 15
15. Question
How would you separate the following beads by colour?
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