A student pours oil into a glass of water and notices that the oil forms a separate layer.
This means oil and water are:

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A Soluble
B Miscible
C Immiscible
D none of the above

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Answer: C. Immiscible

Liquids that do not mix with each other and form separate layers are called immiscible. Oil is lighter than water and does not dissolve in it, so it floats as a separate layer on top.

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A student pours oil into a glass of water and notices that the oil forms a separate layer. This means oil and water are:

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A student pours oil into a glass of water and notices that the oil forms a separate layer.
This means oil and water are: