wzorowane1 pktzamkniętełatwe (szac.)
Which oxide will react with water to produce the most basic solution? A. Potassium oxide B. Calcium oxide C. Sulfur trioxide D. Nitrogen dioxide
Basic, amphoteric and acidic oxides
Describe the change from basic metal oxides through amphoteric oxides to acidic non-metal oxides across a period, and write equations for the reactions of group 1 and group 2 oxides, carbon dioxide and sulfur dioxide with water.
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wzorowane1 pktzamkniętełatwe (szac.)
The diagram shows an outline of the periodic table in which four elements of period 3 are labelled A, B, C and D. Which element forms an amphoteric oxide? A. Element A B. Element B C. Element C D. Element D
wzorowane1 pktotwartełatwe (szac.)
Outline one reason why is considered a pollutant.
wzorowane1 pktzamkniętełatwe (szac.)
Which oxide reacts with water to give a solution with a pH greater than 7? A. B. C. D.