Answered

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Question 3:

Which of these chemical reactions is an oxidation reaction?

A. Aluminum carbonate → aluminum oxide + carbon dioxide
B. Calcium + oxygen → calcium oxide
C. Hydrogen peroxide → water + oxygen
D. Hydrochloric acid + sodium hydroxide → sodium chloride + water

Sagot :

GinnyAnsweridn

Final answer:

In an oxidation reaction, calcium loses electrons while oxygen gains electrons.


Explanation:

Oxidation reaction: An oxidation-reduction reaction involves a change in oxidation states. In the reaction between Ca and O2 to form CaO, Ca loses electrons (is oxidized) while O2 gains electrons (is reduced).


Learn more about Oxidation reaction here:

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