[Solved] Which of these reactions represents the removal of silica from iron ore in a blast furnace? A) SiO<sub>2</sub>(s) → SiO<sub>2</sub>(g) B) SiO<sub>2</sub>(s) + CaO(s) → CaSiO<sub>3</sub>(l) C) SiO<sub>2</sub>(s) + 4HF(g) → SiF<sub>4</sub>(g) + 2H<sub>2</sub>O(g) D) SiO<sub>2</sub>(s) + C(s) → Si(l) + CO<sub>2</sub>(g) E) SiO<sub>2</sub>(s) + CO(g) → SiCO<sub>3</sub>(l) Sediment: Particles of organic or inorganic matter that accumulate in a solid layer on the bottom of a body of water or other liquid due to the process of sedimentation. Naked Eye: Relating to the ability to see or observe an object or event unaided by any optical instruments, such as telescopes or microscopes. Sandstone: A sedimentary rock consisting of sand-sized mineral particles or rock fragments compacted and cemented together. Natural Cements: Substances that occur in nature, which can act to bind materials together through a chemical or physical process.