Question

mention a measure which prevents or slow down its oxidation

Answer 1

the measure which can slow down oxidation is to do galvanisation and if for food then store it in an air tight container.

Answer 2

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ᴛʜᴇ ᴍᴇᴀꜱᴜʀᴇ ᴡʜɪᴄʜ ᴄᴀɴ ꜱʟᴏᴡ ᴅᴏᴡɴ ᴏxɪᴅᴀᴛɪᴏɴ ɪꜱ ᴛᴏ ᴅᴏ ɢᴀʟᴠᴀɴɪꜱᴀᴛɪᴏɴ ᴀɴᴅ ɪꜰ ꜰᴏʀ ꜰᴏᴏᴅ ᴛʜᴇɴ ꜱᴛᴏʀᴇ ɪᴛ ɪɴ ᴀɴ ᴀɪʀ ᴛɪɢʜᴛ ᴄᴏɴᴛᴀɪɴᴇʀ. ⠀⠀⠀⠀⠀⠀⠀⠀

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