Question

Mercuric oxide is a red powder when heated in dry test tube, it gives out liquid mercury and colourless oxygen gas.what conclusion can be given regarding mercuricoxide, Mercury and oxygen as compound, element or mixture?

Answer 1

Answer:

Explanation:

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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.

2HgO(s) _>2Hg(l) + O2(g)