Problem: Which kind of property (physical or chemical) is demonstrated in each case?(a) A copper wire is hammered flat.(b) A nickel dissolves in acid to form a blue-green solution.(c) Dry ice sublimes without melting.(d) A match ignites when struck on a flint.

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We are asked which kind of property (physical or chemical) is demonstrated in each case.

Physical change → there is a change in a matter as it goes from one physical state to another.

Chemical change → atoms rearrange themselves to create a new substance. 


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Problem Details

Which kind of property (physical or chemical) is demonstrated in each case?

(a) A copper wire is hammered flat.
(b) A nickel dissolves in acid to form a blue-green solution.
(c) Dry ice sublimes without melting.
(d) A match ignites when struck on a flint.

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What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Physical Properties concept. You can view video lessons to learn Physical Properties. Or if you need more Physical Properties practice, you can also practice Physical Properties practice problems.

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Based on our data, we think this problem is relevant for Professor Bennett's class at ECU.