28. Решение задачи по химии №002 863

1. Boron oxide interacts with alkali solutions to form tetraborates, and when fused with alkalis and alkali metal oxides, metaborates are formed. Write the reaction equations:
a) B2O3 KOH(solution) →;
b) B2O3 KOH(melt) →;
c) B2O3 Na2O(melt) →.

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