what happens when calcium carbonate is heated
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- ᴄᴀʟᴄɪᴜᴍ ᴄᴀʀʙᴏɴᴀᴛᴇ ɪs sᴛʀᴏɴɢʟʏ ʜᴇᴀᴛᴇᴅ ᴜɴᴛɪʟ ɪᴛ ᴜɴᴅᴇʀɢᴏᴇs ᴛʜᴇʀᴍᴀʟ ᴅᴇᴄᴏᴍᴘᴏsɪᴛɪᴏɴ ᴛᴏ ғᴏʀᴍ ᴄᴀʟᴄɪᴜᴍ ᴏxɪᴅᴇ ᴀɴᴅ ᴄᴀʀʙᴏɴ ᴅɪᴏxɪᴅᴇ.
- ᴛʜᴇ ᴄᴀʟᴄɪᴜᴍ ᴏxɪᴅᴇ (ᴜɴsʟᴀᴋᴇᴅ ʟɪᴍᴇ) ɪs ᴅɪssᴏʟᴠᴇᴅ ɪɴ ᴡᴀᴛᴇʀ ᴛᴏ ғᴏʀᴍ ᴄᴀʟᴄɪᴜᴍ ʜʏᴅʀᴏxɪᴅᴇ (ʟɪᴍᴇᴡᴀᴛᴇʀ).
- ʙᴜʙʙʟɪɴɢ ᴄᴀʀʙᴏɴ ᴅɪᴏxɪᴅᴇ ᴛʜʀᴏᴜɢʜ ᴛʜɪs ғᴏʀᴍs ᴀ ᴍɪʟᴋʏ sᴜsᴘᴇɴsɪᴏɴ ᴏғ ᴄᴀʟᴄɪᴜᴍ ᴄᴀʀʙᴏɴᴀᴛᴇ .
Anonymous:
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Explanation:
Calcium carbonate is heated strongly until it undergoes thermal decomposition to form calcium oxide and carbon dioxide
The required reaction :-
CaCO 3 → CaO + CO 2 ↑
Property of above reaction :-
1) Endothermic
2) Slow reaction
3) Less heat released
4) Gas released converts lime water milky .
5) It is a thermal decomposition reaction .
Importance of above reaction:-
1) Used for obtaining pure calcium
2) To practically obtain carbon dioxide
3) To form Lime and further lime water .
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