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.