能够用来鉴别BaCl2、NaCl、Na2CO3三种物质的试剂是( ) A．AgNO

能够用来鉴别BaCl₂、NaCl、Na₂CO₃三种物质的试剂是( )

A．AgNO₃ B．稀硫酸 C．稀盐酸 D．稀硝酸

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