Section: Module 5: Acids, Bases & Salts | Eswatini Grade 9 Science | NJCTL

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Module 5: Acids, Bases & Salts

  • Module 5: Acids, Bases & Salts


    In this module we will learn about acids, bases and salts.



    Be sure to complete the short answer assignment, the lab, the Mastery Exercises, and the module exam. Watch the videos and complete the practice problems to facilitate your learning. 

    Short Answer Assignment responses should be at least 200-300 words and referenced. Refer to the Required/Recommended reading materials or provide an additional reference to an article of your choice.

    1. Describe physical properties of acids and bases.
    2. Define an indicator as a substance that has different colours in acidic or alkaline solutions.
    3. Identify acidic, alkaline and neutral substances using litmus paper.
    4. Describe neutrality, relative acidity and alkalinity in terms of pH (whole numbers only) measured using Universal Indicator.
    5. Investigate and describe the reactions of acids with metals, bases (hydroxides only) and carbonates.
    6. Construct word equations for the reactions of acids with metals, hydroxides and carbonates.
    7. Describe the preparation of soluble salts.
    8. Describe the control of the acidity in soils using a base (chemical name of the base not required).

    There are no required readings.


    • Module 5 Topics

    • Module 5 Module Review

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