Question

What happens when mercuric oxide is hated in a clean and dry test tube?

Answer 1

Mercury(II) oxide, a red solid, decomposes when heated to produce mercury and oxygen gas. A reaction is also considered to be a decomposition reaction even when one or more of the products are still compounds. A metal carbonate decomposes into a metal oxide and carbon dioxide gas.

Answer 2

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➠ When mercuric oxide is heated in a clean and dry test tube ❟ a silverly mirror like surface at the cooler parts of the test tube appears .

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