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27 April, 01:39

Which of the following is a single replacement reaction?

Ca (OH) 2 + H2SO4 → CaSO4 + 2H2O

CH4 + 2O2 → CO2 + 2H2O

H2O + CO2 → H2CO3

Fe + 3NaBr → FeBr3 + 3Na

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Answers (2)
  1. 27 April, 02:47
    0
    The correct answer is D) Fe + 3NaBr → FeBr3 + 3Na
  2. 27 April, 03:46
    0
    Fe + 3NaBr → FeBr3 + 3Na

    The Na is replaced by the Fe atom.
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