( I ) X will be absorbed more strongly than Y .
( II ) Cu matte has minute amount of iron oxide as its impurity and it can be removed as slag when reacted with silicon dioxide .
FeO + SiO2 - - - - - - - - - > FeSiO3 ( slag )
( III ) For refining of Zr , Van Arkel method will be used .
answer of your first question is that they are sonorous.
Sonours is the property of metals to be strike and produce sound .
Two methods for prevention of rusting are.
Lubricating the substance with oil..
keep it away from moisture.
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the answer will be fractional distillation.
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Zone refining method is used for the refining of germanium. This method is based upon the principle that the impurities are more soluble in the molten state than in the solid state of the metal.
(b) refining of zirconium : van- arkel method :
impure metal zr is heated with i2i2 to get zri4zri4 is heated strongly at 2075k2075k to get zrzr
(c) purification of tin : liquidation : - impure metal is heated is at the top of sloping furnace so that tin melts but impurity does not .
so that tin melts but impurity does not .
molten tin flows down and pure tin so formed is collected.
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