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Sagot :
The substances like Borax (sodium borate), Copper(II) sulfate, barium, and boric acid burn with a characteristic green flame.
A qualitative test called the flame test is used to identify the constituents of a combination. With the aid of a fine wire, the unidentified item or mixture is exposed to a flame (such as the flame of a Bunsen burner or a spirit lamp) in this procedure. It is mentioned what the hue of the flame is. The identification of metals with this test is sensitive. It also has the ability to discern between colors that are similar, allowing for reliable ingredient identification. This technique can also be used to detect impure chemicals.
Impurities could prevent the test from identifying the metal ions using this method, but the mixture is dipped in hydrochloric acid before being exposed to the flame. The similar flame colors of metal ions would present another challenge. The substances like Borax (sodium borate), Copper(II) sulfate, barium, and boric acid burn with a characteristic green flame.
To learn more about the flame test please click on the given link: https://brainly.com/question/18180032
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