| 21. | HgS is soluble only in aqua regia, which can be used to separate it from the rest.
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| 22. | It does react with aqua regia, a mixture of nitric and hydrochloric acids, and with selenic acid.
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| 23. | The addition of sal ammoniac to nitric acid creates Aqua regia and this acid is able to dissolve gold.
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| 24. | It was hypothesized that this was probably nitric acid or aqua regia, both capable of etching soft glass.
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| 25. | Aqueous solutions of NOF are powerful solvents for metals, by a mechanism similar to that seen in aqua regia.
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| 26. | She strangled the woman and destroyed a part of the victim's body using self-made aqua regia.
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| 27. | Think nothing of a jar of aqua regia in an open container by the sink that could get nocked over.
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| 28. | :: You might go for a combination of acids; see for example Aqua regia, which will dissolve platinum.
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| 29. | Chemists who studied platinum dissolved it in aqua regia ( a mixture of hydrochloric and nitric acids ) to create soluble salts.
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| 30. | While local regulations may vary, aqua regia may be disposed of by careful neutralization, before being poured down the sink.
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