Cast iron vessels are not suitable for the storage of A Freon B H<sub>2</sub>SO<sub>4</sub> (95%) at room temperature C H<sub>2</sub>SO<sub>4</sub> (fuming) D Wet SO<sub>2</sub> Cast iron vessels are not suitable for the storage of Correct Answer Wet SO<sub>2</sub> Bissoy MCQ Team Chemical Engineering Materials And Construction