2 HgO s X - 2 Hg l - O 2 g What is - X - in the equation-A- Sound EnergyB- Heat-Thermal EnergyC- Electric CurrentD- Sunlight

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Byju's Answer

Standard IX

Chemistry

Conditions Necessary for Chemical Reactions to Occur

2 HgO s X → ...

Question

$2 H g O (s) X \to 2 H g (l) + O_{2} (g)$

What is $^{'} X^{'}$ in the equation?

Heat/Thermal Energy

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Electric Current

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Sound Energy

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Sunlight

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Solution

The correct option is A
Heat/Thermal Energy

Mercuric Oxide on heating breaks down into mercury and oxygen.

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2HgO (s) X→ 2Hg(l) + O2(g) What is ′X′ in the equation?

The correct option is A Heat/Thermal Energy Mercuric Oxide on heating breaks down into mercury and oxygen.

$2 H g O (s) X \to 2 H g (l) + O_{2} (g)$

What is $^{'} X^{'}$ in the equation?

The correct option is A
Heat/Thermal Energy

Mercuric Oxide on heating breaks down into mercury and oxygen.