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OpenStudy (lovelyharmonics):
[04.04]Which of the following is an example of a decomposition reaction? 2Cr + 3Cl2 -> 2CrCl3 CrO3-> Cr2O3 + O2 Ca + 2H2O ->Ca(OH)2 + H2 2HCl + Ca(OH)2 ->CaCl2 + 2H2O
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OpenStudy (anonymous):
second one and yes I'm positive
OpenStudy (anonymous):
Think about it, one thing (CrO3) is being broken down into 2 or more things( Cr2O3 and O2)
OpenStudy (anonymous):
it's "decomposing"
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