Repeat the fame test near the other pipe. What do you observe?
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Answer:
barium flame test. Tests for soil pH and other qualities of soil use colored indicators, and small particles (usually clay) from the soil can cloud the test mixture and make it hard to see the color of the indicator. Potassium Nitrate. The flame test carried out on a copper halide. Flame Tests.. 1640º; Density 3.51 g/cm 3; Characteristics: Barium is a silvery metal. 725º; B.P. A solution, giving an apple-green colour to a flame, was suspected to be aqueous barium hydroxide. Students must use the information gained from the first part of the experiment to identify the mystery solution. Barium salts produce a green flame in the flame test. Not all metal ions give flame colors. BARIUM CHLORIDE FLAME TEST (BaCl2) Light Green Flame Shows Presence Of Barium(Alkaline earth metal). Toxic elements, like barium, replace nutrient minerals in enzyme binding sites. A flame test is an analytical procedure used in chemistry to detect the presence of certain elements, primarily metal ions, based on each element's characteristic emission spectrum.
from this answer see what u observe...