How does calcium metal react with dilute H₂SO₄?

Calcium metal reacts with dilute sulfuric acid (H₂SO₄) to produce calcium sulfate (CaSO₄), hydrogen gas (H₂), and heat. The reaction can be written as: Ca(s)+H2SO4(aq)→CaSO4(aq)+H2(g). The reaction is vigorous, and hydrogen gas is released, which can be detected by its characteristic “pop” sound when exposed to a flame.

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