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प्रश्न
Define calcination.
व्याख्या
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उत्तर
If an ore is a carbonate or a hydrated oxide, it is heated in the absence of air to a temperature that is high but insufficient to melt the ore. The process is known as calcination.
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पाठ 7: Metallurgy - EXERCISE-7B [पृष्ठ १२९]
