Two types of chemical bonds common in compounds are covalent bonds and ionic bonds. The elements in any compound are always present in fixed ratios. Example 1: Pure water is a compound made from two elements - hydrogen<span> and </span>oxygen<span>.</span>
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The balanced equation would be 
<h3>Electrochemical equations</h3>
Zn reacts with Cu solution according to the following equation:
In the reaction, 
is reduced according to the following: 
While Zn is oxidized according to the following: 
Thus, giving the overall equation of;
More oxidation-reduction equations can be found here: brainly.com/question/13699873
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I just took a test with this question and got the answer wrong for saying ethane. The correct answer is propane.
