Q2. The removal of silicon dioxide with limestone in the Blast Furnace can be represented by the


following equation.


CaCO,(s) + SiO,(s) Casio (1) + CO2(g)


The volume of carbon dioxide, measured at 298 K and 1. 01 * 10s Pa, formed in this


reaction during the removal of 1. 00 tonne (1000 kg) of silicon dioxide is


А


24. 5 dm


B


408 dm


C


24. 5 m


D


408 m


(Total 1 mark)


Q3. The removal of silicon dioxide with limestone in the Blast Furnace can be represented by the


following equation