Which of the following examples depict(s) a physical property?
2 answers:
Answer:
Explanation:
A physical property is a property that can be observed without changing the composition.
Some examples of physical properties are:
- Color
- Density
- Length
- Mass
- Smell
- Temperature
- Boiling Point
- Hardness
Now, let's examine our answer choices.
Choice A: Sugar is white in color
- The property is color, which is a physical property.
Choice B: Iron is more dense than aluminum
- The property is density, which is a physical property.
Choice C: Diamond is harder than graphite.
- The property is hardness, which is a physical property.
Since all three choices depict physical properties, the best choice is D. All of the above.
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Answer:
Numbers of electrons transferred in the electrolytic or voltaic cell is 6 electrons.
Explanation:
The substance having highest positive reduction potential will always get reduced and will undergo reduction reaction.
Reduction : cathode
..[1]
Oxidation: anode
..[2]
Oxidation reaction occurs at anode and reduction reaction occurs at cathode.
To calculate the of the reaction, we use the equation:
The overall reaction will be:
2 × [1] + 3 × [2] :
Electrons on both sides will get cancelled :
Numbers of electrons transferred in the electrolytic or voltaic cell is 6 electrons.