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Review Questions

The following quiz contains 20 questions that consist of multiple choice, fill-in-the-blank, matching and labelling types. If you wish to take a shorter quiz, please select 'Quick Quiz' from the navigation bar.

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This activity contains 20 questions.

Question 1.
Which list shows mixtures in which the particles dispersed in water are increasing in size?


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Question 2.
Which of the following descriptions is correct?


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Question 3.
In order to dissolve the greatest amount of sugar in a cup of water, you should …


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Question 4.
Which of the following would not be described as a colloid?


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Question 5.
Which of these terms is not used to describe a solid which remains behind during a separation process?


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Question 6.
A mixture of iron filings and copper filings could best be separated by …


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Question 7.
Which of the following separations cannot be carried out using a centrifuge? The separation of  …


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Question 8.
Which of the following does not occur during froth flotation to separate copper from copper containing rocks?


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Question 9.
A separation technique which involves charging particles and then attracting them to oppositely charged metal plates is called _____ separation.


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Question 10.
Rainwater passes through several areas and structures before it reaches the taps in your house. Which of the following shows the order in which rainwater passes through these areas and structures?


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Question 11.
The process of adding chemicals to water to clump suspended particles so that they can fall and form a sediment is called _____.


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Question 12.
Gas produced by bacteria as they break down sewage may be collected and used …


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Question 13.
Which of the following shows the usual order of stages as sewage passes through a sewage treatment plant?


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Question 14.
In the aeration tank of a sewage treatment plant …


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Question 15.
Match each technique with its use.




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A matching question presents 4 answer choices and 4 items. The answer choices are lettered A through D. The items are numbered 15.1 through 15.4. Screen readers will read the answer choices first. Then each item will be presented along with a select menu for choosing an answer choice. Using the pull-down menus, match each item in the left column to the corresponding item in the right column.
A to obtain the sediment from a suspension
B to separate the colours in food dyes
C to separate a mixture of liquids with different boiling points
D to separate a mixture containing two solids with different sized particles
 
 
 
 
End of Question 15


Question 16.
Match the colloid name to the components which make up the colloid.




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A matching question presents 6 answer choices and 6 items. The answer choices are lettered A through F. The items are numbered 16.1 through 16.6. Screen readers will read the answer choices first. Then each item will be presented along with a select menu for choosing an answer choice. Using the pull-down menus, match each item in the left column to the corresponding item in the right column.
A a gas in a liquid
B a liquid in a solid
C a liquid in a gas
D a solid in a gas
E a solid in a liquid
F a liquid in a liquid
 
 
 
 
 
 
End of Question 16


Question 17.
Match each mixture to the apparatus which may be used to separate the components of the mixture.




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A matching question presents 4 answer choices and 4 items. The answer choices are lettered A through D. The items are numbered 17.1 through 17.4. Screen readers will read the answer choices first. Then each item will be presented along with a select menu for choosing an answer choice. Using the pull-down menus, match each item in the left column to the corresponding item in the right column.
A Sci-1-03-02-5.gif
B Sci-1-03-02-18.gif
C Sci-1-03-02-17.gif
D Sci-1-03-02-20.gif
 
 
 
 
End of Question 17


Question 18.
Match the water treatment chemical to its use.




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A matching question presents 4 answer choices and 4 items. The answer choices are lettered A through D. The items are numbered 18.1 through 18.4. Screen readers will read the answer choices first. Then each item will be presented along with a select menu for choosing an answer choice. Using the pull-down menus, match each item in the left column to the corresponding item in the right column.
A to kill germs
B to clump suspended particles together so that they can settle out as a sediment
C to ensure water is at a neutral pH
D to help prevent tooth decay
 
 
 
 
End of Question 18


Question 19.
Label the diagram which shows the activated sludge process for sewage treatment.




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The letters A through F appear on an image associated with this question.

This question presents 6 items numbered 19.1 through 19.6. Each item is presented with a pulldown menu containing the letters A through F. For each item below, use the pull-down menu to select the letter that labels the correct part of the image.
End of Question 19


Question 20.
Label the diagrams which show laboratory apparatus used to separate mixtures.




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The letters A through E appear on an image associated with this question.

This question presents 5 items numbered 20.1 through 20.5. Each item is presented with a pulldown menu containing the letters A through E. For each item below, use the pull-down menu to select the letter that labels the correct part of the image.
End of Question 20





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