Question

What is physical anf chemical change​

Answer 1

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• ᴘʜʏsɪᴄᴀʟ ᴄʜᴀɴɢᴇs ᴏɴʟʏ ᴄʜᴀɴɢᴇ ᴛʜᴇ ᴀᴘᴘᴇᴀʀᴀɴᴄᴇ ᴏғ ᴀ sᴜʙsᴛᴀɴᴄᴇ, ɴᴏᴛ ɪᴛs ᴄʜᴇᴍɪᴄᴀʟ ᴄᴏᴍᴘᴏsɪᴛɪᴏɴ. ᴄʜᴇᴍɪᴄᴀʟ ᴄʜᴀɴɢᴇs ᴄᴀᴜsᴇ ᴀ sᴜʙsᴛᴀɴᴄᴇ ᴛᴏ ᴄʜᴀɴɢᴇ ɪɴᴛᴏ ᴀɴ ᴇɴᴛɪʀᴇʟʏ sᴜʙsᴛᴀɴᴄᴇ ᴡɪᴛʜ ᴀ ɴᴇᴡ ᴄʜᴇᴍɪᴄᴀʟ ғᴏʀᴍᴜʟᴀ. ᴄʜᴇᴍɪᴄᴀʟ ᴄʜᴀɴɢᴇs ᴀʀᴇ ᴀʟsᴏ ᴋɴᴏᴡɴ ᴀs ᴄʜᴇᴍɪᴄᴀʟ ʀᴇᴀᴄᴛɪᴏɴs.

Answer 2

Answer:

Physical changes only change the appearance of a substance, not its chemical composition. Chemical changes cause a substance to change into an entirely substance with a new chemical formula. Chemical changes are also known as chemical reactions.

Explanation:

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