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Potassium Industries

Quiz by rawan

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9 questions
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  • Q1

    In the production of pure potassium chloride (KCl), what is the first step? 

    Hot Solution Treatment

    Vacuum Cooling 

    Crushing and Grinding 

    Filtration

    60s
  • Q2

    What is the K₂O content range of agricultural-grade potassium chloride?

    10–20% 

    40–60% 

    62% or higher 

    70–80%

    60s
  • Q3

    How is the potassium content in fertilizers typically expressed? 

    As potassium oxide (K₂O) equivalents

    As potassium nitrate (KNO₃) equivalents 

    As potassium chloride (KCl) equivalents 

    As pure potassium (K)

    60s
  • Q4

    What is the most common form of potassium used in fertilizers?

    Potassium sulfate (K₂SO₄)

    Potassium nitrate (KNO₃)

    Potassium chloride (KCl) 

    Potassium hydroxide (KOH)

    60s
  • Q5

    Which method is used to mine potassium when the ore body is too deep for conventional mining?

    Open-pit mining

    Solution mining

    Shaft mining

    Surface mining

    60s
  • Q6

    Where are potassium chloride and other salts produced from naturally occurring brines?

    The Dead Sea in Jordan

    The Great Salt Lake in the USA

    The Salar de Atacama in Chile

    All of the above 

    60s
  • Q7

    In the thermochemical technique, what substance is used as the reductant for forming potassium?

    Sodium 

    Nitrogen

    Potassium chloride

    Calcium

    60s
  • Q8

    What are the resulting products of the thermochemical reaction involving molten potassium chloride and sodium? 

    Potassium oxide and sodium chloride

    Potassium metal and sodium chloride

    Sodium vapor and potassium metal 

    Potassium vapor and sodium oxide

    60s
  • Q9

    Which of the following is a use of potassium in glass making?

    Makes glass flexible 

    Produces lightweight glass

    Gives glass a hard, heat-resistant property

     Makes glass transparent

    60s

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