<span>Coca-cola is similar to tomato juice because both are acidic drinks. Coca-cola is acidic because it is a carbonated drink. This means there is a presence of an acid in coke namely: carbonic acid and phosphoric acid. Tomato juice is also acidic because of the presence of vitamin c (ascorbic acid), but slightly less acidic than coke.</span>
Answer:

Explanation:
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In this case, according to the rules for the oxidation states in chemical reactions, it is possible to realize that lone elements have 0 and since magnesium is in group 2A, it forms the cation Mg⁺² as it loses electrons and oxygen is in group 6A so it forms the anion O⁻²; therefore resulting oxidation numbers are:

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Answer:
because of catenation of carbon.
Explanation:
Catenation is the binding of an element to its self through covalent bonds to form chain or ring molecules. carbon is able to form continuous links with other carbon atoms which is the reason for the existence of a large number of organic compounds.