Jee Main
Some Basic Concepts Of Chemistry
JEE Main 2026 (Online) 2nd April Morning Shift
MCQ+4 / -12026
The mass of iron converted into Fe3O4 by the action of 18 g of steam is:
(Given: Molar mass of H, O and Fe are 1, 16 and 56 g mol−1 respectively)
Assume iron is present in excess:
