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Quiz by Aji Budiyanto

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6 questions
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  • Q1
    Which pair of compounds from the following chemicals could be added to Ammonium sulfate to make a fertilizer that provides soil with the three elements required for plant growth?
    Potassium sulfate and sodium phosphate
    ammonium chloride and sodium hydrogen phosfate
    sodium chloride and calcium phosphate
    calcium nitrate and ammonium chloride
  • Q2
    Which three elements should a complete NPK fertilizer contain?
    Nitrogen, palladium, and phosphorus
    Sodium, phosphorus, and potassium
    Nitrogen, phosphorus, and potassium
    Nitrogen, platinum, and potassium
  • Q3
    Why is fertilizer (A) not as effective as fertilizer (B) at promoting plant growth?
    Question Image
    Fertilizer (A) does not contain any phosphorus or potassium.
    Fertilizer (A ) contains phosphorus
    Fertilizer (A) raises the pH of the soil.
    Fertilizer (A) does not contain any sodium.
  • Q4
    Which of the following is not a reason why farmers use fertilizers?
    Growing crops more quickly
    Supplying essential minerals used by crops
    Increasing the protein content in the crops
    Restoring depleted minerals in the soil
  • Q5
    Why do plants benefit from a fertilizer containing nitrogen?
    Nitrogen is released by the plant to attract insects.
    Nitrogen is needed by the plant to make proteins.
    Nitrogen reacts with oxygen during photosynthesis.
    Nitrogen is used to form glucose.
  • Q6
    Which of the following combinations of chemicals would not make a complete NPK fertilizer?
    Question Image
    B, E and F
    D, E, and F
    A, B, and E
    B, C, and D

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