Saved Bookmarks
| 1. |
The articles made of iron when placed in moist air get covered with reddish-brown powdery substance.. Is this physical change or chemical change explain |
|
Answer» It is a CHEMICAL CHANGE because the reddish-BROWN substance which you mentioned is nothing but rust and the process is called rusting. rusting is a chemical process in which iron reacts with oxygen in presence of MOISTURE to produce a reddish brown substance called rust |
|