AnswersAA-F26 Physical ScienceProperties of Acids and Bases

Properties of Acids and Bases Answers

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Which substances are acids? Check all that apply.AgOHHFNiOOHNH4OHHMnO4Zn(OH)2

A
AgOH
B
HF
C
NiOOH
D
NH4OH
E
HMnO4
F
Zn(OH)2
2
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Sample Response: Ren should use a cleaning product that contains a base. This is because bases readily react with lipids, the kind of compound that makes up grease. A base would break down the grease, forming soap, which would then easily wash away. What did you include in your response? Check all that apply.A base would be the best choice.Bases break down lipids.Grease is formed from lipids.When bases break down lipids, they form soap.

A
A base would be the best choice.
B
Bases break down lipids.
C
Grease is formed from lipids.
D
When bases break down lipids, they form soap.
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✔ acidicbasicneutral

A
✔ acidic
B
basic
C
neutral
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Identify some acids that are found in everyday materials.lemon juicebaking sodadish detergentvinegarhand soap

A
lemon juice
B
baking soda
C
dish detergent
D
vinegar
E
hand soap
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Which characteristic describes bases?

A
taste sour
B
feel slippery
C
react with metals
D
are used to remove rust
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Ren runs a hamburger stand and needs to clean up a season’s worth of grease buildup on the range hood over his griddle. Explain what he should look for in a cleaning product that can handle a layer of grease.

Answer:

Ren should look for a cleaning product that is a base. Grease is primarily composed of lipids, and bases react with lipids to break them down. Through a process called saponification, the base turns the grease into soap, which is water-soluble and can be easily washed away.

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