Acids, Bases & Salts 2
  • 1. Acid Strength
  • 2. pH Value
  • 3. Soil Testing
  • 4. Common Salt
  • 5. Water of Crystallisation
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Hurrah, we come to the end of the module! We started by talking about how soil's acidity is important in deciding what crops can be planted.

As we saw in the module, the pH value of a substance tells us how acidic it is. So, farmers determine the pH value of the soil before deciding what kind of crop to plant in the soil.

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Next Module

Check out the next lesson in this series! Metals & Non-metals 1