A) show the formation of Magnesium chloride by electron transfer method.
b) Define roasting. What type of ores are roasted
c) What is an alloy?
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Answer:
Roasting :
In roasting ore is heated in the presence of excess of oxygen or air. This method is employed for sulphide ores. Example: ZnS (sphalerite) and Cu2S (chalcocite).
Explanation:
Alloy : it is a mixture of homogeneous metal .
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