Flocculation in Soil (Leaving Cert Agricultural Science): Quizzes
📚Quizzes
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10 questions from this quiz
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Practise the questions
10 questions from this quiz
What is flocculation?
What is flocculation?
Small particles stick together to form flocs
What is the purpose of tube B in the flocculation experiment?
What is the purpose of tube B in the flocculation experiment?
It acts as a control group
Which chemical is added to soil to cause flocculation?
Which chemical is added to soil to cause flocculation?
Calcium carbonate (lime)
What type of electrical charge do clay particles naturally carry?
What type of electrical charge do clay particles naturally carry?
Negative charges
How does lime cause flocculation in clay particles?
How does lime cause flocculation in clay particles?
Releases calcium ions to neutralise charges
What happens in tube A after adding lime?
What happens in tube A after adding lime?
Clay clumps together and water clears
What is observed in tube B without lime?
What is observed in tube B without lime?
Water stays cloudy with suspended clay
How much soil is added to each tube in the experiment?
How much soil is added to each tube in the experiment?
What agricultural benefit results from flocculation in clay soils?
What agricultural benefit results from flocculation in clay soils?
Improved drainage and soil structure
How long should the tubes stand undisturbed after shaking?
How long should the tubes stand undisturbed after shaking?
3-5 minutes