A. NH3 CO and CO2
B. CO and C
C. N2, CO and CO2
D. NH3 and CO
Correct Answer:
Option C – N2, CO and CO2
Explanation
The N2 from the hot air blast to burn the coke (48%), the CO (23%) and CO2 (21%) produced from the reduction of the iron ore Fe2O3 by carbon (the coke) are the major components of the waste from the extraction.
![Water of mass 120g at 50°C is added to 200g of water at 10°C and the mixture is well stirred. Calculate the temperature of the mixture. [Neglect heat losses to the surrounding] Water of mass 120g at 50°C is added to 200g of water at 10°C and the mixture is well stirred. Calculate the temperature of the mixture. [Neglect heat losses to the surrounding]](https://erudites.ng/wp-content/plugins/contextual-related-posts/default.png)
