Question

When a candle burns, both physical and chemical changes occur. Explain.

Answer 1

Answer:

Explanation:

When a candle burns, both physical & chemical changes occur. Physical Changes in Burning Candle: On heating, candle wax melts and form liquid wax. It is a physical change. ... This wax vapor near to flame burns and gives new substances like Carbon Dioxide, Carbon soot, water vapours, heat and ligh

Answer 2

$\huge\rm\underline{\underline{\purple{Qᴜᴇsᴛɪᴏɴ:-}}}$

╰❥ Wʜᴇɴ ᴀ ᴄᴀɴᴅʟᴇ ʙᴜʀɴs ʙᴏᴛʜ ᴘʜʏsɪᴄᴀʟ ᴀɴᴅ ᴄʜᴇᴍɪᴄᴀʟ ᴄʜᴀɴɢᴇs ᴏᴄᴄᴜʀ. Exᴘʟᴀɪɴ.

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$\huge\rm\underline{\underline{\blue{Aɴsᴡᴇʀ:-}}}$

╰❥ Iᴛ ɪs ᴛʀᴜᴇ ᴛʜᴀᴛ ᴡʜᴇɴ ᴀ ᴄᴀɴᴅʟᴇ ʙᴜʀɴs, ʙᴏᴛʜ ᴘʜʏsɪᴄᴀʟ ᴀɴᴅ ᴄʜᴇᴍɪᴄᴀʟ ᴄʜᴀɴɢᴇs ᴏᴄᴄᴜʀ. Iɴɪᴛɪᴀʟʟʏ ᴄᴀɴᴅʟᴇ ʙᴜʀɴs ᴘʀᴏᴅᴜᴄɪɴɢ ʜᴇᴀᴛ ᴀɴᴅ ʟɪɢʜᴛ. Iᴛ ɪs ᴀ ᴄʜᴇᴍɪᴄᴀʟ ᴄʜᴀɴɢᴇ ʙᴇᴄᴀᴜsᴇ ᴄᴀɴᴅʟᴇ ʙᴜʀɴs ᴡɪᴛʜ ᴛʜᴇ ғᴏʀᴍᴀᴛɪᴏɴ ᴏғ ɢᴀsᴇs. Dᴜᴇ ᴛᴏ ᴛʜᴇ ʜᴇᴀᴛ ᴘʀᴏᴅᴜᴄᴇᴅ, sᴏᴍᴇ ᴄᴀɴᴅʟᴇs sɪᴍᴜʟᴛᴀɴᴇᴏᴜsʟʏ ᴍᴇʟᴛs. Tʜɪs ɪs ᴀ ᴘʜʏsɪᴄᴀʟ ᴄʜᴀɴɢᴇ ᴀs ᴛʜᴇ ᴍᴏʟᴛᴇɴ ᴄᴀɴᴅʟᴇ ᴡᴀx ʙᴇʜᴀᴠᴇs ʟɪᴋᴇ ᴏʀɪɢɪɴᴀʟ ᴄᴀɴᴅʟᴇ.

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