write the name of the mixture which is used for cleaning of noble metals like Gold and platinum.
Also write the composition of same
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0
Answer:
aquaregia
Explanation:
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Answer:
PSP
Explanation:
"regal water" or "Royal water") is a mixture of nitric acid and hydrochloric acid, optimally in a molar ratio of 1:3. Aqua regia is a yellow-orange (sometimes red) fuming liquid, so named by alchemists because it can dissolve the noble metals gold and platinum, though not all metals.
Chemical formula: HNO3+3 HCl
Appearance: Red, yellow or gold fuming liquid
Density: 1.01–1.21 g/cm3
Solubility in water: Miscible
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