Correct Answer: Option E

Explanation

Not all metals are above hydrogen in the electrochemical series. The electrochemical series, also known as the activity series, lists metals in order of decreasing reactivity. Metals above hydrogen are more reactive than hydrogen, while metals below hydrogen are less reactive. Copper and silver are examples of metals that are below hydrogen in the electrochemical series.

Conversely, all metals lose electrons or donate electrons because they are highly electropositive, hence they are reducing agents while non-metals are electron receptors, as they gain electrons during chemical reaction.

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