3. Classify each of the following as a physical or a
chemical property
a. Iron and oxygen form rust.
b. Iron is more dense than aluminum.
C. Magnesium burns brightly when ignited.
d. Oil and water do not mix.
e Mercury melts at -39°C.

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Hello!
The answer would be A.
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The classification of the following elements as a physical or chemical property is shown below

a) iron and oxygen form rust

b)iron is more dense than aluminum

c) magnesium burns brightly when ignited

d)oil and water do not mix

e)mercury melts as -39 C

A. Chemical

B. Physical

C. Chemical

D. Physical

E. Physical

For better understanding let's explain what the statement that

  • Physical Property is simply known as any features of a material that can be observed or measured even without changing the composition of the substances in the material

  • Chemical Property is commonly known as a features of matter that can be observed as it alters to a different type of matter.

From the above we can therefore say that the answer The classification of the following elements as a physical or chemical property is shown below;

a) iron and oxygen form rust

b)iron is more dense than aluminum

c) magnesium burns brightly when ignited

d)oil and water do not mix

e)mercury melts as -39 C

A. Chemical

B. Physical

C. Chemical

D. Physical

E. Physical

is correct

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