Question

What acid is car batteries?

Answer 1

sulfuric acid
When the battery is fully charged, the negative plate is lead, the electrolyte is concentrated sulfuric acid, and the positive plate is lead dioxide. If the battery is overcharged, electrolysis of water produces hydrogen gas and oxygen gas, which are lost.

Answer 2

sulfuric acid

Step-by-step explanation:

When a battery is being discharged, the sulfuric acid in the electrolyte is being depleted so that the electrolyte more closely resembles water.