1.

4H_3BO_3 + X oversetDeltato Na_2B_4O_7 + 6H_2O + Y In this reaction, X and Y are ...... respectively.

Answer»

`NaBO_2 , CO_2`
`Na_2CO_3 , CO_2`
`NaHCO_3 , NaBO_2`
`NAOH , CO_2`

Solution :According to following FORMULA, on neutralization of Boric ACID `(H_3BO_3)` by `Na_2CO_3`(Sodium carbonate) is borax `(Na_2B_4O_7)` obtained
`underset"Boric acid"(4H_3BO_3) + underset"Sodium carbonate"underset"(X)"(Na_2CO_3) oversetDeltato underset"Borax"(Na_2B_4O_7)+ 6H_2O + underset"(Y)"(CO_2)`


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