Energy — Test Answers
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Helen needs to make a supersaturated solution of saltwater. Which describes the best way to make the solution?
A
increase the temperature of the solution and add more saltB
decrease the temperature of the solution and add less saltC
decrease the pressure and add more saltD
increase the pressure and add less salt2
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Zora wants to dissolve a solute in a solvent quickly. Which best describes what she should do?
A
decrease the pressureB
decrease the surface areaC
shake it repeatedlyD
place in a refrigerator3
Rolf prepares four solutions using different solutes as shown in the table below.Which solution is unsaturated?
A
Solution AB
Solution BC
Solution CD
Solution D4
Fred has a large piece of sugar that is not dissolving in his drink. How could he get the sugar chunk to dissolve faster?
A
by placing it in the refrigeratorB
by breaking it up into smaller piecesC
by letting it dissolve naturally without agitationD
by adding a larger piece so the smaller one will dissolveDid you find these answers helpful?
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