Question

name the substance which remains in a test tube after heating ferrous sulphate​

Answer 1

Answer:

Ferric oxide (Fe₂O₃).

Explanation:

When ferrous sulphate (FeSO₄) is heated, ferric oxide (Fe₂O₃), sulfur dioxide (SO₂) and sulfur trioxide (SO₃) is formed. While, sulfur dioxide and sulfur trioxide are gases, ferric oxide is the substance is solid which remains in a test tube after heating ferrous sulphate.