`"Colemanite" + Na_(2)CO_(3) overset("Fused")rarr (A) + (B) + CO_(2)`  `underset("Solution")((A)) +
Channel: Doubtnut
Date: 26/07/2020

`"Colemanite" + Na_(2)CO_(3) overset("Fused")rarr (A) + (B) + CO_(2)`  `underset("Solution")((A)) + CO_(2) rarr(B) + Na_(2) CO_(3)`  `(B) + conc HCl rarr NaCl + underset("Acid")((C))`  `underset("Acid")((C)) +H_(2)O rarr underset("Acid")((D))`  `(D) overset("Strong heating")rarr (E)`  `(E) +CuSO_(4) overset("Heated") underset("inflame")rarr underset("Blue-coloured compound")((F))`.  Compound `(A)` is.