Explain
a. How is zinc obtained from sulphide and carbonate ores? Differentiate between the two
giving chemical reactions
b. What are the advantages of alloying? Name the constituents of bronze.
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1
Answer:
ADVANTAGES OF ALLOYS ARE INCREASED STRENGTH,DUCTILITY AND RESISTANCE
BRONZE IS AN ALLOY OF COPPER AND TIN
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Answer:
zinc is obtained from sulphide and carbonate one by roasting and calculation method
znco3 gives zoo + co2. calcination
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