Question

what is meant by rusting of iron​

Answer 1

Answer:

Rusting is an oxidation reaction. The iron reacts with water and oxygen to form hydrated iron(III) oxide, which we see as rust. ... This prevents the metal below from coming into contact with air (containing oxygen).

Answer 2

Answer:

ᴡʜᴇɴ ᴀɴ ɪʀᴏɴ ᴏʙᴊᴇᴄᴛ ɪs ʟᴇғᴛ ɪɴ ᴅᴀᴍᴘ ᴀɪʀ (ᴏʀ ᴡᴀᴛᴇʀ) ғᴏʀ ᴀ ᴄᴏɴsɪᴅᴇʀᴀʙʟᴇ ᴛɪᴍᴇ, ɪᴛ ɢᴇᴛs ᴄᴏᴠᴇʀᴇᴅ ᴡɪᴛʜ ᴀ ʀᴇᴅ-ʙʀᴏᴡɴ ғʟᴀᴋʏ sᴜʙsᴛᴀɴᴄᴇ ᴄᴀʟʟᴇᴅ ʀᴜsᴛ. ᴛʜɪs ɪs ᴄᴀʟʟᴇᴅ ʀᴜsᴛɪɴɢ ᴏғ ɪʀᴏɴ. ᴅᴜʀɪɴɢ ᴛʜᴇ ʀᴜsᴛɪɴɢ ᴏғ ɪʀᴏɴ, ɪʀᴏɴ ᴍᴇᴛᴀʟ ᴄᴏᴍʙɪɴᴇs ᴡɪᴛʜ ᴛʜᴇ ᴏxʏɢᴇɴ (ᴏғ ᴀɪʀ) ɪɴ ᴛʜᴇ ᴘʀᴇsᴇɴᴄᴇ ᴏғ ᴡᴀᴛᴇʀ (ᴍᴏɪsᴛᴜʀᴇ) ᴛᴏ ғᴏʀᴍ ᴀ ᴄᴏᴍᴘᴏᴜɴᴅ ɪʀᴏɴ ᴏxɪᴅᴇ.