Question

Why should a magnesium ribbon be cleaned before burning in air?​

Answer 1

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Magnesium ribbon should be cleaned before burning in air because Magnesium metal reacts with the atmospheric oxygen and forms Magnesium Oxide (MgO) layer which is a very stable compound. In order to prevent further reactions with Oxygen, it is therefore necessary to clean the ribbon by to remove the layer of MgO.

Answer 2

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• ᴍᴀɢɴᴇꜱɪᴜᴍ ʀɪʙʙᴏɴ ꜱʜᴏᴜʟᴅ ʙᴇ ᴄʟᴇᴀɴᴇᴅ ʙᴇꜰᴏʀᴇ ʙᴜʀɴɪɴɢ ɪᴛ ɪɴ ᴀɪʀ ᴛᴏ ʀᴇᴍᴏᴠᴇ ᴛʜᴇ ᴏxɪᴅᴇ ʟᴀʏᴇʀ ꜰʀᴏᴍ ɪᴛ ᴡʜɪᴄʜ ᴍᴀʏ ᴘʀᴇᴠᴇɴᴛ ᴏʀ ꜱʟᴏᴡ ᴅᴏᴡɴ ᴛʜᴇ ʙᴜʀɴɪɴɢ ᴏꜰ ᴍᴀɢɴᴇꜱɪᴜᴍ ʀɪʙʙᴏɴ.

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