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)

Home » 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)

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)

Chemistry | Class 10 | ICSE | Metallurgy | Selina

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)

Answer:

(a) Carbonate, calcination

(b) Roasting

(c) Sulfides

i

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