Question

Explain what happens when carbon dioxide is passed through lime water?

Answer 1

ᴄᴀʀʙᴏɴ ᴅɪᴏxɪᴅᴇ ʀᴇᴀᴄᴛs ᴡɪᴛʜ ʟɪᴍᴇᴡᴀᴛᴇʀ (ᴀ sᴏʟᴜᴛɪᴏɴ ᴏғ ᴄᴀʟᴄɪᴜᴍ ʜʏᴅʀᴏxɪᴅᴇ, ᴄᴀ(ᴏʜ) 2), ᴛᴏ ғᴏʀᴍ ᴀ ᴡʜɪᴛᴇ ᴘʀᴇᴄɪᴘɪᴛᴀᴛᴇ (ᴀᴘᴘᴇᴀʀs ᴍɪʟᴋʏ) ᴏғ ᴄᴀʟᴄɪᴜᴍ ᴄᴀʀʙᴏɴᴀᴛᴇ, ᴄᴀᴄᴏ 3. ᴀᴅᴅɪɴɢ ᴍᴏʀᴇ ᴄᴀʀʙᴏɴ ᴅɪᴏxɪᴅᴇ ʀᴇsᴜʟᴛs ɪɴ ᴛʜᴇ ᴘʀᴇᴄɪᴘɪᴛᴀᴛᴇ ᴅɪssᴏʟᴠɪɴɢ ᴛᴏ ғᴏʀᴍ ᴀ ᴄᴏʟᴏᴜʀʟᴇss sᴏʟᴜᴛɪᴏɴ ᴏғ ᴄᴀʟᴄɪᴜᴍ ʜʏᴅʀᴏɢᴇɴᴄᴀʀʙᴏɴᴀᴛᴇ.

Answer 2

Answer:

When carbon dioxide passes through lime water

calcium carbonate forms which turns lime water into milky