MetallurgyHard
Question
Which one of the following reactions represents a calcination reaction?
Options
A.HgS + O2 → Hg + SO2
B.AgNO3 + NaCl → AgCl + NaNO3
C.CuCO3. Cu(OH)2 → CuO + CO2 + H2O
D.Al2O3 + NaOH → NaAlO2 + H2O
Solution
(C) Carbonate ores are calcined in absence of air to obtain the metal oxides.
Create a free account to view solution
View Solution FreeMore Metallurgy Questions
Match List-I with List-II and select the correct answer using codes given below in the lists: List-I List-IIA. Cyanide p...Of the following reduction processes, the correct process(es) is/are :...Which does not represent correct method ?...Which of the following are true for electrolytic extraction of aluminium...Which of the following employ(s) thermal decomposition of volatile iodide compounds?...