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SS1: CHEMISTRY - 2ND TERM

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  1. Kinetic Theory of Matter | Week 1
    3 Topics
    |
    1 Quiz
  2. Kinetic Theory of Matter & Gas Laws I | Week 2
    3 Topics
    |
    1 Quiz
  3. Gas Laws II | Week 3
    3 Topics
    |
    1 Quiz
  4. Gas Laws III | Week 4
    3 Topics
    |
    1 Quiz
  5. Gas Laws IV | Week 5
    3 Topics
    |
    1 Quiz
  6. Mole Concept | Week 6
    5 Topics
    |
    1 Quiz
  7. Acid, Bases and Salts I | Week 7
    7 Topics
    |
    1 Quiz
  8. Acid, Bases and Salts II | Week 8
    6 Topics
    |
    2 Quizzes
  9. Acid, Bases and Salts III | Week 9
    3 Topics
    |
    2 Quizzes
  10. Acid, Bases and Salts IV | Week 10
    4 Topics
    |
    1 Quiz
  11. Acid, Bases and Salts V | Week 11
    5 Topics
    |
    1 Quiz



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Topic Content:

  • Preparation of Soluble Salts
    • By the Action of Dilute Acid on Metals
    • By Neutralization
    • By the Action of Dilute Acid on Insoluble Base
    • Action of Acid on a trioxocarbonate (IV)
  • Preparation of Insoluble Salts
    • Double Decomposition or Precipitation
    • Combination of Constituent Elements

Salts are classified into two, based on their solubility in water – Soluble and Insoluble salts.

Soluble salts are prepared by crystallization while insoluble salts are prepared by precipitation or double decomposition and by the combination of constituent elements. 

Two factors that influence the method of preparing salts are:

  1. Its solubility in water.
  2. Its stability to heat.

Preparation of Soluble Salts:

1. By the Action of Dilute Acid on Metals:

A salt can be prepared by the direct displacement of the hydrogen ion in an acid by a metal higher than hydrogen in the activity series e.g. calcium, magnesium, zinc, and iron.

Procedure:

 

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