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Matter and Materials · Semester 1

Acids and Alkalis: Introduction to pH

Introducing the concepts of acids and alkalis, their properties, and the use of indicators and the pH scale to classify substances.

Key Questions

  1. Define acids and alkalis and give examples of each.
  2. Explain how indicators (e.g., litmus paper) are used to test for acidity or alkalinity.
  3. Describe the pH scale and its significance in classifying substances as acidic, neutral, or alkaline.

MOE Syllabus Outcomes

MOE: Acids and Alkalis - Sec 1
Level: Primary 3
Subject: Science
Unit: Matter and Materials
Period: Semester 1

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