Differenciate between physical and chemical adsorptions.
Answers
Answer:
physical absorption can be again come in it's real form.....
but...
chemical absorption if changed it can't be reversed
ᴘʜʏsɪᴄᴀʟ ᴀᴅsᴏʀᴘᴛɪᴏɴ
ɪᴛ ᴛᴀᴋᴇs ᴘʟᴀᴄᴇs ᴀᴛ ʟᴏᴡ ᴛᴇᴍᴘᴇʀᴀᴛᴜʀᴇ ᴀɴᴅ ᴅᴇᴄʀᴇᴀsᴇs ᴡɪᴛʜ ɪɴᴄʀᴇᴀsᴇ ɪɴ ᴛᴇᴍᴘᴇʀᴀᴛᴜʀᴇ
ᴠᴀɴ ᴅᴇʀ ᴡᴀᴀʟs ғᴏʀᴄᴇ ɪs ᴛʜᴇ ғᴏʀᴄᴇ ʜᴇʟᴅɪɴɢ ᴛʜᴇ ᴀᴅsᴏʀʙᴀᴛᴇ
ɪᴛ ɪs ʀᴇᴠᴇʀsɪʙʟᴇ
ɴᴏᴛ sᴘᴇᴄɪғɪᴄ
ɪᴛ ғᴏʀᴍs ᴀ ᴍᴜʟᴛɪᴍᴏʟᴇᴄᴜʟᴀʀ ʟᴀʏᴇʀ
ɪᴛ ɪs ᴅᴇᴘᴇɴᴅᴇɴᴛ ᴏғ ᴘʀᴇssᴜʀᴇ ᴀɴᴅ ᴛᴇᴍᴘᴇʀᴀᴛᴜʀᴇ
ᴇxᴀᴍᴘʟᴇs ᴄʟᴀʏ, sɪʟɪᴄᴀ ɢᴇʟ
ᴄʜᴇᴍɪᴄᴀʟ ᴀᴅsᴏʀᴘᴛɪᴏɴ
ɪᴛ ɪs sᴘᴇᴄɪғɪᴄ ɪɴ ɴᴀᴛᴜʀᴇ
ɪᴛ ɪɴᴠᴏʟᴠᴇs ᴄʜᴇᴍɪᴄᴀʟ ʙᴏɴᴅs ʙᴇᴛᴡᴇᴇɴ ᴛʜᴇ ɢᴀs ᴍᴏʟᴇᴄᴜʟᴇs ᴀɴᴅ ᴛʜᴇ ᴀᴅsᴏʀʙᴇɴᴛ sᴜʀғᴀᴄᴇ
ɪᴛ ʀᴇǫᴜɪʀᴇs ᴀ ᴄᴇʀᴛᴀɪɴ ʟᴇᴠᴇʟ ᴏғ ᴇɴᴇʀɢʏ ᴏғ ᴀᴄᴛɪᴠᴀᴛɪᴏɴ
ᴛʜᴇ ʀᴀᴛᴇ ᴏғ ᴄʜᴇᴍɪᴄᴀʟ ᴀᴅsᴏʀᴘᴛɪᴏɴ ɪs ᴅɪʀᴇᴄᴛʟʏ ᴘʀᴏᴘᴏʀᴛɪᴏɴᴀʟ ᴛᴏ ᴛʜᴇ sᴜʀғᴀᴄᴇ ᴀʀᴇᴀ
ɪᴛ ғᴏʀᴍs ᴀ ᴜɴɪᴍᴏʟᴇᴄᴜʟᴀʀ ʟᴀʏᴇʀ
ɪᴛ ɪs ʀᴇᴠᴇʀsɪʙʟᴇ ɪɴ ɴᴀᴛᴜʀᴇ
ɪᴛ ɪs sʟᴏᴡ ᴀᴛ ʟᴏᴡ ᴛᴇᴍᴘᴇʀᴀᴛᴜʀᴇ ᴀɴᴅ ᴏᴄᴄᴜʀs ᴀᴛ ᴀ ʜɪɢʜᴇʀ ʀᴀᴛᴇ ᴡɪᴛʜ ᴀɴ ɪɴᴄʀᴇᴀsᴇ ɪɴ ᴘʀᴇssᴜʀᴇ
ᴇxᴀᴍᴘʟᴇ: ʀᴜʙʙɪɴɢ ᴘᴀɪɴ ʙᴀʟᴍ ᴏɴ ᴛʜᴇ ғᴏʀᴇʜᴇᴀᴅ
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