You are provided with two substances: solid $$\(\mathbf{H}\)$$ and solid $$\(\mathbf{I}\)$$. Do the following tests on the substances, recording all of your observations at each stage. Tests on solid $$\(\mathbf{H}\)$$ To the fourth portion of solution $$\(\mathbf{J}\)$$, add about 1 cm depth of dilute nitric acid followed by a few drops of aqueous barium nitrate. Record your observations. ................................................................................................................................................ . ..........................................................................................................................................

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