Question

which special condition is required when Mercury oxide changes to Mercury and oxygen​

Answer 1

Answer:Mercury tends to react with particular groups of elements or compounds. ... Mercury also reacts with oxygen at high temperatures to form mercury (II) oxide, which is a red powder. Similarly, mercury reacts with oxidizing acids, such as nitric acid and concentrated sulfuric acid, because they contain oxygen.

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Explanation:

Answer 2

Answer:

Mercury(II) oxide, also called mercuric oxide or simply mercury oxide, has a formula of HgO. It has a red or orange color. Mercury(II) oxide is a solid at room temperature and pressure.