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29 May, 02:32

Which reaction is a single replacement reaction?

a. 2H2 + O2 - > 2H2O

b. 2H2O2 - > 2H2O + O2

c. KOH + HCI - > KCI + H2O

d. Cu + 2AgNO3 - > 2Ag + Cu (NO3) 2

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Answers (1)
  1. 29 May, 03:15
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    d

    Explanation:

    d. Cu + 2AgNO3 - > 2Ag + Cu (NO3) 2

    Cu replace Ag, one element replaces another.
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