Metals And Their Metallurgy - 5


1. Limonite is a one of ________ metal.


2. Chalcophyrite is a ore of ________ Metal.


3. Good quality steel can be produced in an _________ process.


4. The process of Reduction is carried out in ________.


5. Low quality iron contain 3 percent carbon is called ________.


6. Blast furnace internally lined with ________.


7. Carbon monoxide is a good ________ agent in blast furnace.


8. Mixture of calcium silicate and calcium aluminate is called ________.


9. Mild steal contain ________ percent carbon.


10. Roasted ore is melted in blast furnace with coal and sand this step is called ________.


11. Impurities float in form is slage over copper compounds is called ________.


12. Blistered copper is pure by ________.


13. Kaloin is a ore of ________.


14. Sea Water contains more than 5% by weight of dissolved chlorides.





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