इनमें से कौन सी सान्द्रण क� – McqOptions

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1.	इनमें से कौन सी सान्द्रण की एक विधि नहीं है -
A.	फेन प्लवन विधि
B.	चुम्बकीय विधि
C.	निस्तापन
D.	गुरुत्वीय पृथक्करण विधि
Answer» D. गुरुत्वीय पृथक्करण विधि

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