From the experiment results, the color of the flame caused by the elements in Danzig. It can be concluded that the compounds of transition metals. That is used as a component of wick. When the light and color vary as follows CuSO_4 green KNO_3 purple.) orange by a comparative study of the wick by using the solution of the three compounds that were made by the water and HCl wick the color of the flame to the most clear. Wick was dissolved by the HCl so the substance being solvent by HCl.To make the color of the flame than the substance being solvent with water, because the HCl will help elements in Danzig it on fire longer
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