differentiate between- Physical change and chemical change
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ᴘʜʏsɪᴄᴀʟ ᴄʜᴀɴɢᴇs ᴏɴʟʏ ᴄʜᴀɴɢᴇᴛʜᴇ ᴀᴘᴘᴇᴀʀᴀɴᴄᴇ ᴏғ ᴀ sᴜʙsᴛᴀɴᴄᴇ, ɴᴏᴛ ɪᴛs ᴄʜᴇᴍɪᴄᴀʟ ᴄᴏᴍᴘᴏsɪᴛɪᴏɴ.ᴄʜᴇᴍɪᴄᴀʟ ᴄʜᴀɴɢᴇs ᴄᴀᴜsᴇ ᴀ sᴜʙsᴛᴀɴᴄᴇ ᴛᴏ ᴄʜᴀɴɢᴇ ɪɴᴛᴏ ᴀɴ ᴇɴᴛɪʀᴇʟʏ sᴜʙsᴛᴀɴᴄᴇ ᴡɪᴛʜ ᴀ ɴᴇᴡᴄʜᴇᴍɪᴄᴀʟ ғᴏʀᴍᴜʟᴀ. ᴄʜᴇᴍɪᴄᴀʟ ᴄʜᴀɴɢᴇs ᴀʀᴇ ᴀʟsᴏ ᴋɴᴏᴡɴ ᴀsᴄʜᴇᴍɪᴄᴀʟ ʀᴇᴀᴄᴛɪᴏɴs.
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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.
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