Which of the following is double displacement reaction ? – InterviewSolution

1.	Which of the following is double displacement reaction ?
Answer» `2FeSO_(4)toFe_(2)O_(3)+SO_(2)+SO_(3)` `Na_(2)SO_(4)+BaCl_(2)toBaSO_(4)+2NaCl` `Fe+CuSO_(4)toFeSO_(4)+CU` `CaCO_(3)+H_(2)O+CO_(2)TOCA(HCO_(3))_(2)` ANSWER :B

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