51ºÚÁÏ

Chemical Tests: Water – Lesson, Worksheet & Practical

Edexcel IGCSE Chemistry | Unit 2.49–2.50 | Lesson 36

Overview

This short but essential lesson teaches students how to identify water and test for purity using both chemical and physical methods. Students observe colour changes with anhydrous copper(II) sulfate and evaluate boiling point data to determine sample purity.

Specification Covered

• 2.49: Describe a test for the presence of water using anhydrous copper(II) sulfate
• 2.50: Describe a physical test to show whether a sample of water is pure

What’s Included

• Editable PowerPoint Lesson (Theory + Practical + Tasks)
• Student Worksheet
• Step-by-step hydration test and boiling point check
• Observation and analysis prompts

Features

• Fully aligned with Edexcel IGCSE Chemistry Unit 2
• Covers both qualitative and quantitative water tests
• Builds confidence in using temperature data for analysis
• Simple, low-resource practical for classroom use
• Clean and structured Synapse Science format