Chemistry
Fill in the blanks:
(a) Usually …………… (sulphide/carbonate) ores are subjected to …………… (calcination/roasting) which is done in the absence of air
(b) Zinc blende is converted to oxide by …………… (roasting/calcination) process.
(c) Froth floatation process is generally used to concentrate …………… ores (sulphides/carbonate)
Metallurgy
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Answer
(a) Usually carbonate ores are subjected to calcination which is done in the absence of air
(b) Zinc blende is converted to oxide by roasting process.
(c) Froth floatation process is generally used to concentrate sulphides ores.
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