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Jennthejelly Jennthejelly
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2 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
Author:
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owenutonowenuton
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2 months ago
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Jennthejelly Author
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2 months ago
Good timing, thanks!
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Yesterday
Thanks
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2 hours ago
Just got PERFECT on my quiz
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