Potassium Industries
Quiz by rawan
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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