[Ca_(1)B_(6)O_(11)+Na_(2)CO_(3)-A_(12)+A+B+CaCO_(3)],[A+CO_(2)rarr B+Na_(2)CO_(1)],[B+conc*HCl rarr NaCl+widehat Q[acd]],[C=(CN_(21))/(What)+D+H_(2)O],[[" (A) "B_(2)O_(3)," (B) "Ca(BO_(2))_(2)],[" (C) "H_(2)B_(4)O_(7)," (D) "NaBO_(2)]]

Ca_(2)B_(6)O_(11)+2Na_(2)CO_(3)to X+2CaCO_(3)+2NaBO_(2) The compound X in the above reaction is

Ca_(2)B_(6)O_(11)+2Na_(2)CO_(3)to X+2CaCO_(3)+2NaBO_(2) The compound X in the above reaction is

Na_(2)CO_(3) + Fe_(2)O_(3) rarr A + CO_(2) What is A tn the reaction?

Preparation of cabalt Metaborate involves the following steps of reactions: (i) Ca_(2)B_(6)O_(11) + Na_(2)CO_(3)(aq) overset("Boiled") to CaCO_(3) "(insoluble)" + Na_(2)B_(4)O_(7) + NaBO_(2) (ii) Na_(2)B_(4)O_(7) overset(Delta)to NaBO_(2) + B_(2)O_(3) (iii) CoO + B_(2) O_(3) overset(Delta) to Co(BO_(2))_(2) . (Atomic weight: B=11, Co=59) Mass of Ca_(2)B_(6)O_(11) in kg requried to produce 14.5 kg of Co(BO_(2))_(2) , assuming 100% yield of each reaction is

Na_(2)CO_(3)+Fe_(2)O_(3)rarr A+CO_(2) , what is A in the reaction ?

Na_(2)CO_(3)+Fe_(2)O_(3)rarr A+CO_(2) , what is A in the reaction ?

Na_(2)CO_(3)+Fe_(2)O_(3)rarr A+CO_(2) , what is A in the reaction ?