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Home Q & A Board Science-Related Homework Help Chemistry (Moderator: Laser_3)
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Jennthejelly Jennthejelly
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3 months ago
Which one of these represents a chemical change?

▸ boiling water to form steam

▸ turning hair yellow with bleach

▸ melting butter

▸ mixing powdered charcoal and oxygen at room temperature

▸ cutting a bar of sodium metal into pieces with a knife
Textbook 
Chemistry: Atoms First

Chemistry: Atoms First


Edition: 4th
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owenutonowenuton
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3 months ago
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Jennthejelly Author
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3 months ago
Correct Slight Smile TY
Roselalo
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Yesterday
Smart ... Thanks!
ethom947
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2 hours ago
Thanks for your help!!
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