This question is about water and air. Describe how to test whether a sample of water is pure using boiling point. . .

Chemistry

IGCSE&ALevel

CAIE

Exam No：0620_s25_qp_31 Year：2025 Question No：8(b)

Answer:

10.1.1. Describe chemical tests for the presence of water using anhydrous cobalt(II) chloride and anhydrous copper(II) sulfate

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