Suppose you mix an unknown clear liquid with water and the added liquid floats on top of the water as a separate layer. What is most likely true about the unknown liquid

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From the question we are told

you mix an unknown clear liquid with water and the added liquid floats on top of the water as a separate layer

Explanation:

The added unknown liquid floats on water means the unknown liquid has less density as compared with water.

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It Is A Non-polar Liquid

Explanation:

When two liquids are mixed, two things are possible;

i) the both liquids may form one phase

ii) the both liquids may separate into two distinct phases

Two liquids of the same type will form a single phase when they are mixed. Two liquids of different types ( e.g a polar and a non polar liquid) will separate into two distinct phases when they are mixed.

Hence, when an unknown liquid is added to water and the liquid floats on top of water as a separate layer, then the liquid is a nonpolar liquid because we know water as a polar liquid.