Question

A mixture of oxygen and thyme is burnt for welding can you tell why a mixture of thyme and air is not used?

Answer 1

When ethyne is burnt in air incomplete burning takes place and produce sooty flame due to limited supply oxygen present in the air. Hence, This oxy-acetylene flame isused for welding and it is not possible to attain such a high temperature with air. Due this reason a mixture of ethyne and air is not used for welding.

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Answer 2

ʜᴇʀᴇ ɪs ᴜʀ ᴀɴsᴡᴇʀ:-⏬⏬

ᴡʜᴇɴ ᴇᴛʜʏɴᴇ ɪs ʙᴜʀɴᴛ ɪɴ ᴀɪʀ ɪɴᴄᴏᴍᴘʟᴇᴛᴇ ʙᴜʀɴɪɴɢ ᴛᴀᴋᴇs ᴘʟᴀᴄᴇ ᴀɴᴅ ᴘʀᴏᴅᴜᴄᴇ sᴏᴏᴛʏ ғʟᴀᴍᴇ ᴅᴜᴇ ᴛᴏ ʟɪᴍɪᴛᴇᴅ sᴜᴘᴘʟʏ ᴏxʏɢᴇɴ ᴘʀᴇsᴇɴᴛ ɪɴ ᴛʜᴇ ᴀɪʀ.

ʜᴏᴡᴇᴠᴇʀ, ɪғ ᴇᴛʜʏɴᴇ ɪs ʙᴜʀɴᴛ ɪɴ ᴏxʏɢᴇɴ, ɪᴛ ɢɪᴠᴇs ᴀ ᴄʟᴇᴀɴ ғʟᴀᴍᴇ ᴡɪᴛʜ ʜɪɢʜ ᴛᴇᴍᴘᴇʀᴀᴛᴜʀᴇ (3000°ᴄ ) ᴅᴜᴇ ᴛᴏ ᴄᴏᴍᴘʟᴇᴛᴇ ᴄᴏᴍʙᴜsᴛɪᴏɴ ᴏғ ᴇᴛʜʏɴᴇ.

ʜᴇɴᴄᴇ, ᴛʜɪs ᴏxʏ-ᴀᴄᴇᴛʏʟᴇɴᴇ ғʟᴀᴍᴇ ɪs ᴜsᴇᴅ ғᴏʀ ᴡᴇʟᴅɪɴɢ ᴀɴᴅ ɪᴛ ɪs ɴᴏᴛ ᴘᴏssɪʙʟᴇ ᴛᴏ ᴀᴛᴛᴀɪɴ sᴜᴄʜ ᴀ ʜɪɢʜ ᴛᴇᴍᴘᴇʀᴀᴛᴜʀᴇ ᴡɪᴛʜ ᴀɪʀ. ᴅᴜᴇ ᴛʜɪs ʀᴇᴀsᴏɴ ᴀ ᴍɪxᴛᴜʀᴇ ᴏғ ᴇᴛʜʏɴᴇ ᴀɴᴅ ᴀɪʀ ɪs ɴᴏᴛ ᴜsᴇᴅ ғᴏʀ ᴡᴇʟᴅɪɴɢ.