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प्रश्न
Heating of ore in the absence of air below its melting point is called ______.
विकल्प
leaching
roasting
smelting
calcination
MCQ
रिक्त स्थान भरें
उत्तर
Heating of ore in the absence of air below its melting point is called calcination.
shaalaa.com
Extraction of Metals
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