GENERAL SCIENCE
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Science Bowl Question

📅 NSB Regional 2007🎓 HS🔄 Round 4#️⃣ Question 20❓ TOSS-UP📝 Multiple Choice

Which of the following is NOT true:

W) phosphorous is used in the manufacture of detergents
X) nitric acid is used in the manufacture of fertilizers
Y) lead ore is most commonly mined in bauxite
Z) flotation separation is used in the preparation of ores
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