Answer :
Final answer:
The internal grids in automotive batteries are made of lead. These batteries consist of a system with sulfuric acid acting as the electrolyte and lead plates connected to both the anode and cathode. Properly disposing of these batteries is important due to their high lead content.
Explanation:
Among the statements given, the true one about internal grids in automotive batteries is that they are made of lead. The lead-acid battery, commonly utilized in vehicles like cars, harnesses a lead oxide plate linked to the cathode (positive terminal) and a lead plate connected to the anode (negative terminal). Both plates are submerged within sulfuric acid, acting as the system's electrolyte. Each cell in the battery can produce about 2 volts; hence, six cells are arranged in series to produce a standard 12-V car battery. Given the high lead content in these batteries, it's crucial to dispose of them properly.
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