Question

1) What happens when ·
•Carbon reacts with limited supply of oxygen
•When metallic oxide is reduced with carbon
• When calcium carbonate is treated with dilute HCL​

Answer 1

Answer:

• When the air or oxygen supply is restricted, incomplete combustion to carbon monoxide, CO, occurs. The resulting gas is called producer gas and is a mixture of carbon monoxide (25%), carbon dioxide (4%), nitrogen (70%), and traces of hydrogen (H2), methane (CH4), and oxygen (O2).

• The reaction of thermodynamically stable metal oxides with carbon is slowed by the accumulation of carbon monoxide in the system and the blocking of the reducing agent's surface by metal carbides and oxycarbides. The production of silicon ferroalloys from the briquette batch is shown to be promising.  
• Calcium carbonate reacts with hydrochloric acid to produce calcium chloride, water, and carbon dioxide gas.