Saved Bookmarks
| 1. |
Which gas is used for the removal of oxygen layer formed on molten iron?(a) Hydrogen(b) Oxygen(c) Carbon dioxide(d) Chlorine |
|
Answer» Right option is (b) Oxygen Best explanation: In oxygen cutting method, under considerable amount of pressure, when a jet of oxygen gas is made to blow on the particles of molten iron oxide, the oxygen layer present on the molten iron gets removed. |
|