Answer :
Answer:
The correct option is C) 2HgO→ 2Hg + O2
Explanation:
A balance equation can be described as a reaction in which the number of atoms of an element are same for the reactant and the product side.
For example, in the reaction :
2HgO →2Hg + O2
There are 2 atoms of mercury in the reactant side and the product side.
There are two atoms of the element oxygen at the reactant side, the product side also has two atoms of oxygen. Hence, this reaction is properly balanced.