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 ...

Clarifying the controversy over the GCE Ordinary Level (O/L) Science and English papers, Education Minister Susil Premajayantha said yesterday that steps will be taken to ensure that no injustice is ...

Colombo, May 13 (Daily Mirror) - In response to concerns over irregularities during the 2023 (2024) G.C.E. Ordinary Level (O/L) examinations, grace marks are set to be awarded for answers of several ...

Citing The Joy of Sex and The Joy of Cooking as texts that demystified important — yet sometimes perplexing — terrain, Cobb and Fetterolf aim to do the same for chemistry. Their book succeeds in doing ...

Pairing cutting-edge chemistry with artificial intelligence, a multidisciplinary team of scientists today published fresh ...

Researchers recently discovered that O'ahu, Hawai'i actually consists of three major Hawaiian shield volcanoes, not two, as previously thought. Extending almost 100 km WNW from the western tip of the ...