PDF chapter test TRY NOW
Define the process by which iron gets corroded in moist air.
Answer variants:
rusting
deposits to develop
presence of both air and water
dry air alone
water alone
rust
brown deposits
The or discolouration on the iron nails do not develop when the iron nail is kept in or . However, when the iron nail is kept in the , it develops brown deposits. This indicates that the presence of both water and air is essential for these . Thus, moist air is responsible for the formation of brown deposits on iron objects. This brown deposit is called . The formation of rust on iron objects is called .
Register for free to see more content