Assertion:Least reactive metals can react with aqua regia. Reason: aqua regia is pure water.
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Answer: Aqua regia 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. ... Experimental evidence reveals that the reaction of platinum with aqua regia is ...
Missing: Assertion: | Must include: Assertion:
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