Question:নিচের কোন রাসায়নিক বিক্রিয়াটি সঠিক? 

A `K_2CO_3 + 2HCI rarr 2KCI + H_2O + CO_2 uarr` 
B `2NaHCO_3 + 2CHI rarr Na_2CO_3 + H_2O + CI_2 uarr` 
C `Mg + H_2SO_4 rarr MgSO_4 + H_2O` 
D `KOH + HNO_3 rarr K_2O + NO_2 + H_2O` 

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A 

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Md. Sohel Arman

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