Lab 3 Soil Fertility
Authored by NURUL HANI
Chemistry
University
Used 4+ times
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5 questions
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1.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Reagent to extract available potassium (K)
1M ammonium acetate pH 7.
1M KCl
2.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Acidic soils contain low K, Ca and Mg for plant uptake
True
False
3.
MULTIPLE CHOICE QUESTION
5 sec • 1 pt
Exchangeable Al in large amount makes up acidity in soil
True
False
4.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
The higher an ion's binding affinity, the higher its leaching potential
True
False
5.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
High concentration of K ions can replace Al on the exchange surfaces
True
False
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