मराठी

Which of the following makes the ore porous and more reactive?

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प्रश्न

Which of the following makes the ore porous and more reactive?

पर्याय

  • Calcination

  • Roasting

  • Both calcination and roasting

  • Neither calcination nor roasting

MCQ
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उत्तर

Both calcination and roasting

Explanation:

Both calcination and roasting involve heating the ore to high temperatures. This drives out volatile impurities and moisture, leaving behind a highly porous and chemically reactive metal oxide.

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पाठ 7: Metallurgy - EXERCISE [पृष्ठ १५६]

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लखमीर सिंह Chemistry [English] Class 10 ICSE
पाठ 7 Metallurgy
EXERCISE | Q 3. | पृष्ठ १५६
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