Jill has a beaker . in this beaker there are two layers the top layer is transparent woth a yellow tint to it , and the bottom layer is transparent and clear . jill decides that the bottom layer is probably wayer . but what is the top layer ? the top layer is most likely a

                The top layer is most likely a Oil.

                          When two immiscible liquids are mixed together they form two layers. These two layers are immiscible because of the polarity difference, one may be polar and the other one non polar. Among these two layers the layer with more density will form the bottom layer while, the one with less density will form the top layer. We are calling the upper layer as oil or lipids because these compounds have less density as compared to water. i.e.

Density of Water =  1 g.mL⁻¹

Density of Oils Ranges from 0.91 to 0.93 g.mL⁻¹

108

explanation:

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i believe you are right for all except the 3rd ( look at sqdancefan his answer is much better)