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A homogenizer works by breaking down the fat globules in the milk and forcing them to regroup, then breaking up the layers that form so the globules inside of the solution remain at the desired sizes, explains How Stuff ... More »

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When zinc in its metallic form and hydrochloric acid are combined, they form hydrogen gas and an aqueous solution of zinc chloride. This type of a reaction is called an oxidation reduction reaction. More »

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A Soxhlet extractor works by boiling a solution that has a solute of limited solubility in a percolator, then cooling and collecting the condensate in a reservoir from which the concentrated solute can be extracted. A si... More »

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According to Reference.com, the purpose of titration is to find the concentration of an unknown acid or base in a solution. It works by gradually combining a base of known concentration with an unknown acid solution, or ... More »

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The picric acid test for reducing sugar is a method for detecting the presence of certain kinds of sugar in a solution. Picric acid is added to potash in one-to-one proportions to produce picrate of potassium, which chan... More »

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The biuret test detects peptide bonds, and when they are present in an alkaline solution, the coordination complexes associated with a copper ion are violet in color. The protein concentration affects the intensity of th... More »

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Make crystals by dissolving borax in boiling water, adding food coloring and dipping a pipe cleaner in the solution. You need a pot, a jar, a pipe cleaner, borax, food coloring scissors, string and a pencil. More »

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