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ICSE-METALLURGY-WORK SHEET-2 ( FILL IN THE BLANKS)
- Tin stone has the formula ....
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- Aluminium is extracted from ......... .............. ore
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- ............... act as a collector to make the ore particles water rep...
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- The process of heating the ore in the absence of oxygen is known as .....
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- Both calcination and roasting are done in ............... furnace.
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