Gallium is a metal in Group 13 of the Periodic Table. Gallium metal reacts rapidly when exposed to air. A white solid layer is formed on its surface. The table gives the formula of each gallium-containing product formed when gallium oxide reacts separately with hot aqueous hydrochloric acid and hot aqueous sodium hydroxide. Give the name of the type of behaviour shown by gallium oxide in these reactions. ...................................................................................................................................
Exam No：9701_s20_qp_21 Year：2020 Question No：1(c)(ii)
Answer:
amphoteric
Knowledge points:
9.2.4 describe, explain and write equations for, the acid / base behaviour of the oxides , MgO, and including, where relevant, amphoteric behaviour in reactions with acids and bases (sodium hydroxide only)
Solution:
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