3.4 Physical And Chemical Properties
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Commonly asked questions often include those asking the difference between physical and chemical properties. These are often confused or misunderstood. It is important to learn these concepts now and to be able to apply them later
- 1.
I have a piece of ice and I want to know if it will float in a cup of lemonade. Will I be observing a...
- A.
Physical property?
- B.
Chemical property?
- C.
Neither?
Correct Answer
A. Physical property?Explanation
The quality I am observing is density. Even if the ice melts, it is still the same on a molecular level, so it is a physical property, not chemical.Rate this question:
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- 2.
If I am storing chemicals under my sink, and I want to make sure that two of them won't eat through my cabinets if they mix. Is this property...
- A.
Physical
- B.
Chemical
- C.
Neither
Correct Answer
B. ChemicalExplanation
When I mix the chemicals and they react, a new substance is formed. This is a chemical property.Rate this question:
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- 3.
When my kid leaves his popsicle on the carseat and it melts into the seat, the property I am observing is...
- A.
Physical
- B.
Chemical
- C.
Neither
Correct Answer
A. PhysicalExplanation
The popsicle is still a popsicle, even though it is in a different state. It has not changed into a different substance, so it is physical.Rate this question:
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- 4.
The reason that my house is heated in the winter is because of burning oil. Is this an example of a.......
- A.
Physical property?
- B.
Chemical property?
- C.
Neither?
Correct Answer
B. Chemical property?Explanation
When anything burns, it is changed into a different material. Therefore, it is a chemical change.Rate this question:
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- 5.
A ___________ property may involve a phase shift (between solid, liquid, gas) but no new substance is formed.
Correct Answer
physical, PhysicalExplanation
When a state of matter changes, the identity of that matter does not necessarily change. A physical change may not involve the formation of a new substance.Rate this question:
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Current Version
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Aug 22, 2024Quiz Edited by
ProProfs Editorial Team -
Mar 27, 2014Quiz Created by
Harry Brielmann
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