Question

Tell about discovery of oxygen and carbon dioxide?
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Answer 1

Pʀɪᴇsᴛʟᴇʏ ᴅɪsᴄᴏᴠᴇʀᴇᴅ ᴍᴀɴʏ ɴᴇᴡ ɢᴀsᴇs, ɪɴ ᴡʜɪᴄʜ ᴛʜᴇ ᴍᴏsᴛ ғᴀᴍᴏᴜs ᴏɴᴇ ᴡᴀs ᴏxʏɢᴇɴ ʜᴇ ᴘʀᴏᴅᴜᴄᴇᴅ ᴛʜʀᴏᴜɢʜ ʜᴇᴀᴛɪɴɢ ᴍᴇʀᴄᴜʀʏ ᴏxɪᴅᴇ ᴡɪᴛʜ ᴀ ʙᴜʀɴɪɴɢ ɢʟᴀss. Bᴇᴄᴀᴜsᴇ ʜᴇ ᴡᴀs ᴀ ғɪʀᴍ ʙᴇʟɪᴇᴠᴇʀ ᴏғ ᴘʜʟᴏɢɪsᴛᴏɴ ᴛʜᴇᴏʀʏ, ʜᴇ ɴᴀᴍᴇᴅ ᴏxʏɢᴇɴ “ᴅᴇᴘʜʟᴏɢɪsᴛɪᴄᴀᴛᴇᴅ ɢᴀs”. ... Dɪsᴄᴏᴠᴇʀᴇᴅ ᴛʜᴀᴛ ᴘʟᴀɴᴛs ᴄᴏᴜʟᴅ ᴀʙsᴏʀʙ ᴄᴀʀʙᴏɴ ᴅɪᴏxɪᴅᴇ ᴀɴᴅ ʀᴇʟᴇᴀsᴇ ᴏxʏɢᴇɴ..........

ʜᴏᴘᴇ ɪᴛ ʜᴇʟᴘs ᴜʜ

Answer 2

Discovery of oxygen : oxygen is the chemical element with symbol 0 and atomic number 8 . Oxygen was isolated by Michael sendivogius before 1604 and was discovered by Joseph Priestley in 1774 .

Discovery of carbon dioxide : Joseph black , a scottish chemist and physicist , first identified carbon dioxide in 1705 . At room temperature (20-25)°C , carbon dioxide is an odourless , colourless gas which is faintly acidic and non flammable