In the most common dry cell what material is the electrode that is the center rod made of?
copper
graphite
iron***
zinc
its graphite
No.
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The most common dry cell, also known as the zinc-carbon battery, has a center electrode that is made of zinc.
If you were wondering how to arrive at this answer, you could approach it by understanding the construction of a dry cell battery.
A dry cell consists of two electrodes, an anode (positive terminal) and a cathode (negative terminal), immersed in an electrolyte. The center electrode, or the anode, is typically made of a metal that provides the necessary electrical conductivity and electrochemical properties. In the case of the zinc-carbon battery, zinc is commonly used as the anode material.
Therefore, the correct answer is zinc.