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From my previous lab, i'm assuming it's the same, there are 4 tests: monosaccharaide, starch, lipid, and protein.

If a sugar cube is to be placed into the unknown solution and then tested by the 4 tests, there would be NO affect:

* Note: Some will think that placing a sugar cube into the solution will change the results of the monosaccharaide test, but there won't be. Remember, the monosaccharide only tests positive in the presence of a monosaccharaide, but sucrose is a DISACCHARIDE, so there will be no affect.

As for the other tests, they are indicators of starch, lipids, and proteins, again, nothing else. Therefore, sugar has no affect on the results whatsoever.

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Q: How would the result be affected If a student places a sugar cube into one of the unknown solutions in the experiment?
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