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5292. Extraction of __________ employs an electrolytic process.

September 7, 2025 by Admin

Aluminium

Silver

Copper

All of the above

✅ The correct answer is option A.

Categories Chemical Engineering, Chemical Process MCQs, Engineering Tags Chemical Engineering MCQs, Chemical Process MCQs, Engineering MCQs

5289. Which of the following is an yellow pigment?

5294. How much temperature is maintained during quicklime manufacture in the calcination zone of the vertical shaft kiln?

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