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12 November, 11:47

Which of the following is an example of a double replacement reaction?

(a) 3Fe + 2O2 Fe3O4

(b) BaCl2 + K2CO3 BaCO3 + 2KCl

(c) NiCO3 NiO + CO2

(d) Cl2 + 2NaBr 2NaCl + Br2

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  1. 12 November, 13:38
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    B) is an example of a Double Displacement Reaction:

    Ba Cl2 + K2 CO3 - - - > Ba CO3 + 2K Cl

    A B C D A D B C
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