Tag: basics of metallurgy
Questions Related to basics of metallurgy
Extraction of metal from the ore cassiterite involves
Which are correctly matched?
In Poling process, Hydrocarbon gases escaping from the poles act as _____ agents.
In polling, wood gas is responsible for the removal of volatile impurities.
Which of the following methods is used to remove lead present in silver ?
Poling process:
Which of the following sulphides when heated strongly in air gives the corresponding metal without undergoing separate reduction of oxide?
Which of the following reactions show the process of smelting?
Fill in the blanks with the correct choice.
The undesired impurities present in the ores are called (i). To remove the volatile impurities from the ore, the (ii) process is carried out. Flux combines with non-fusible impurities to form (iii). $CaO$ acts as a (iv) flux.
Extraction of chlorine from brine is based on: