A compound A reacts with H₂SO₄ acid and releases gas B with effervescence. Gas B burns with a pop sound. State names of A and

B and the chemical equation.

It is given that a compound A reacts with H₂SO₄ acid and releases gas B with effervescence. Gas B burns with a pop sound.

If the gas burns with a pop sound, this means gas B is hydrogen. Hydrogen gas gives pop sound when it burns.

The compound A must be a metal, i.e., zinc. When zinc reacts with H₂SO₄, it releases hydrogen gas and forms a salt. The reaction is:

Zn + H₂SO₄→ ZnSO₄ + H₂

Thus, compound A is zinc

B is hydrogen gas.