What is the main impurity in haematite? by Sunday | May 12 | Chemistry WAEC | 0 comments A. CaSiO3 B. CaCO3 C. SiO3 D. Fe2O3 Correct Answer: Option C C. SiO3 Users Also Read These:The presence of an impurity in substance will cause…What is the main message of the story about the hunter?The main features of the economy of the forest zone…The main impurity in iron ore during the extraction…Haematite is an ore of?