Here's a breakdown:

* Sulfuric acid (H₂SO₄): This is the main component of battery acid and is responsible for its corrosive nature.

* Water (H₂O): Water acts as a solvent, dissolving the sulfuric acid and creating a solution.

While sulfuric acid is the dominant component, battery acid may also contain trace amounts of other elements like:

* Lead (Pb): Lead is a component of the battery plates and can be present in trace amounts in the acid.

* Antimony (Sb): Antimony is sometimes added to the lead plates to increase their hardness and resistance to corrosion.

However, these elements are present in significantly lower amounts compared to sulfuric acid and water.