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supatsarah

  • 3 years ago

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.

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  1. CliffSedge
    • 3 years ago
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    http://openstudy.com/study#/groups/Chemistry Which one does not involve a chemical reaction?

  2. supatsarah
    • 3 years ago
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    @CliffSedge duude , i need the answer really bad. common , i'll give you the best response if you give me the answerr.

  3. KingGeorge
    • 3 years ago
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    OpenStudy discourages seeking for answers, and giving answers. Please keep this in mind while you use this site. Thanks.

  4. CliffSedge
    • 3 years ago
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    I am immune to bribes, sorry.

  5. supatsarah
    • 3 years ago
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    freakinn aye man . bye

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