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Which Compound in the Following Reaction Is the Slag? 2

Question 11
Multiple Choice

Which compound in the following reaction is the slag? 2 Ca3(PO4)2(s)+ 6 SiO2(s)+ 10 C(s) img P4(g)+ 6 CaSiO3(l)+ 10 CO(s) A) CaSiO3 B) CO C) P4 D) SiO2 E) Ca3(PO4)2

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Q 12
Write a balanced reaction for the smelting of SnO2 with carbon. A) SnO2(s) + CO2(g) SnCO3(s) B) SnO2(s) + CaCO3(s) SnC(s) + CaO(s) + O2(g) C) SnO2(s) + 2 C(s) Sn(l) + 2 CO(g) D) 2 SnO2(s) + 2 CaC2(s) 2 SnC2(s) + 2 CaO(s) + O2(g) E) None of the above represents smelting.
Q 13
Write a balanced equation for the calcination of Al(OH)3. A) 2 Al(OH)3(s) Al2O3(s) + 3 H2O(g) B) Al(OH)3(s) + SiO2(s) AlSiO3(s) + 3 H2O(g) C) 2 Al(OH)3(s) + O2(g) Al2O3(s) + 3 H2O(g) D) Al(OH)3(s) + C(s) Al2O3(s) + CO2(g) + H2O(g) E) None of the above represents calcination.
Q 14
Write a balanced equation for the calcination of NiCO3. A) NiCO3(s) + CaO(s) NiO(s) + CaCO3(s) B) NiCO3(s) NiO(s) + CO2(g) C) NiCO3(s) + C(s) NiO(s) + 2 CO(g) D) NiCO3(s) + SiO2(s) NiSiO3(s) + CO2(g) E) None of the above represents calcination.
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