anonymous
  • anonymous
Which statement describes a physical change? Iron combines with oxygen to form rust. Calcium is added to acid and hydrogen gas is produced. Sodium metal reacts explosively with oxygen. Lead is heated and becomes more viscous.
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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anonymous
  • anonymous
http://openstudy.com/study#/groups/Chemistry Which one does not involve a chemical reaction?
anonymous
  • anonymous
@CliffSedge duude , i need the answer really bad. common , i'll give you the best response if you give me the answerr.
KingGeorge
  • KingGeorge
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anonymous
  • anonymous
I am immune to bribes, sorry.
anonymous
  • anonymous
freakinn aye man . bye

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