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Chapter 7E End of Unit Test (Mock)

The document contains a mock end-of-unit test on mixtures and separation techniques. It has multiple choice and short answer questions testing understanding of key concepts like distinguishing mixtures from compounds, defining processes like distillation and filtration, and knowing which separation method to use for a given mixture.

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Mohamed Abdo
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2K views2 pages

Chapter 7E End of Unit Test (Mock)

The document contains a mock end-of-unit test on mixtures and separation techniques. It has multiple choice and short answer questions testing understanding of key concepts like distinguishing mixtures from compounds, defining processes like distillation and filtration, and knowing which separation method to use for a given mixture.

Uploaded by

Mohamed Abdo
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as DOCX, PDF, TXT or read online on Scribd
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Chapter 7E: Mixtures and Separation - End of Unit Test (mock)

Part A: Multiple Choice Questions

1. What is a mixture?

a) A substance made of two or more elements chemically combined.

b) A substance made of two or more substances physically combined.

c) A substance made of a single type of atom.

d) A substance that cannot be separated into simpler substances by physical or chemical means.

2. Which of the following is NOT a method of separating mixtures?

a) Filtration

b) Sublimation

c) Distillation

d) Polymerization

3. What is the purpose of distillation?

a) To separate insoluble solids from liquids.

b) To separate soluble solids from liquids.

c) To separate two or more liquids with different boiling points.

d) To separate magnetic substances from non-magnetic substances.

4. Which method is best suited for separating an insoluble solid from a liquid?

a) Filtration

b) Evaporation

c) Chromatography

d) Sublimation

5. Which of the following is a homogeneous mixture?

a) Salt water

b) Sand and water

c) Oil and water

d) Iron filings and sulfur powder


Part B: Short Answer Questions

1. Explain the process of filtration and give an example of a situation where it is used.

2. Describe how the process of evaporation can be used to separate a soluble solid from a
liquid.

3. What is chromatography? Provide a real-life example where chromatography is used.

Part C: Practical Application

1. You are given a mixture of sand and salt. Describe the steps you would take to separate the
sand from the salt. (answer in given paper)
2. Design an experiment to separate a mixture of ink colors using chromatography. Outline the
materials you would need and the steps you would take.(Answer in given paper)

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