The Education Ministry is looking out at possibilities of holding the GCE Ordinary Level (O/L) examination in the 10th grade, Education Minister Susil Premajayantha said. While addressing an event at ...
Sodium oxide and potassium oxide dissolve in water to produce alkalis: • Na 2 O(s) + H 2 O (l) → 2 NaOH (aq) • K 2 O(s) + H 2 O (l) → 2 KOH (aq) • 2K(s) + 2H 2 O (l) → 2KOH (aq) + H 2 (g) + heat ...
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