OCR GCSE Chemistry A · J248
Specification PAG 5 · Paper 1 (Foundation), Paper 2 (Foundation), Paper 3 (Higher), Paper 4 (Higher)
Revise: Qualitative Analysis and Identification of IonsAdd one test reagent to each portion, first in small amounts where appropriate, and record what you actually see. Use a fresh portion for the next test. Otherwise, a reagent from an earlier test might react in the next one and give a misleading result.