Chemistry
MeghannEarly965
11

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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CarmelinaPanepinto

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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