IGCSE Chemistry, a 25m lesson from ChemistryKlipz covers testing for ions from 19m 45s to 25m 30s.
For Doc Brown’s Chemistry quizzes, word-fills, crosswords and study notes go here and just scroll down to ’23.Chemical Tests for Identification’.
Great resources from the Australian International School – videos, powerpoints, worksheets, practicals, animations, flashcards etc.
This powerpoint revises group properties (from C9 The Periodic Table) and then covers testing for ions & gases:
Complete Chemistry for Cambridge IGCSE, chapter 19, p.285 – 287 (we don’t need Al, Ca, Br or I)