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:When a pentavalent impurity is added to a pure…The main function of the part labeled III is?The main features of the economy of the forest zone…Haematite is an ore of?The main aim of the formation of ECOMOG was to?