Chemistry Grade 9 - Flashcards

CHEMISTRY GRADE 9 TEXTBOOK

  • Developed by Mauritius Institute of Education under the National Curriculum Framework.

  • Key Contributors:

    • Professor Vassen Naëck - Head Curriculum

    • Dr Sarojiny Saddul-Hauzaree - Coordinator

    • Vickren Narrainsawmy - Lecturer

    • Ajeshwaree Douquia - Educator

    • Support from various educators and graphic designers.

FOREWORD

  • New textbooks for Grades 1-9 based on the National Curriculum Framework.

  • Focus on curriculum review and refinement based on educator feedback and needs.

  • Emphasis on incremental learning from Grades 7-8 to Grade 9.

TEXTBOOK FEATURES

  • Inquiry-based activities for concept reinforcement.

  • Learner-centered strategies like project-based learning and concept mapping.

  • Assessments include Test Yourself sections and various exercise types.

  • Sections on real-life applications and scientific inquiry skills.

UNIT TITLES AND CONTENT OVERVIEW

UNIT C1: Atmosphere and Environment

  • Composition of Air

  • Greenhouse Gases: Carbon Dioxide, Methane

  • Global Warming and Climate Change: Causes and Solutions

  • Air and Water Pollution: Impacts and Prevention

UNIT C2: Mixtures and Separation Techniques

  • Separation Techniques: Sublimation, Crystallisation, Simple Distillation

  • Properties of Mixtures

UNIT C3: Language of Chemistry

  • Chemical Symbols and Valencies

  • Writing and Balancing Chemical Equations

  • Understanding Chemical Reactions

UNIT C4: Metals and Reactivity Series

  • Chemical Properties of Metals

  • Reactivity of Metals with Oxygen, Water, and Acids

UNIT C5: Salts

  • Definition of Neutralisation reaction

  • Solubility Rules

  • Applications of Neutralisation in daily life and agriculture

REACTIVITY OF METALS

  • Metals listed are arranged in decreasing order of reactivity (e.g., Sodium, Calcium, Magnesium).

  • Reactivity affects reactions with air, water, and acids.

SOLUBILITY OF SALTS

  • Identification of soluble and insoluble salts based on standard rules.

  • Noteworthy examples: All Nitrates are soluble.

  • Common uses of salts and their importance in various fields (health, agriculture).

EXAMINATION PREPARATION TIPS

  • Focus on understanding reactions of acids, bases, and salts including how to handle neutralisation reactions.

  • Familiarize yourself with vocabulary: reactants, products, neutralisation, solubility, and reactivity series.

CONCLUSION

  • Comprehensive understanding of chemistry principles through hands-on activities and real-world applications will enhance learning and retention.