Which of these pairs are INCORRECT? – McqOptions

MCQOPTIONS

1.	Which of these pairs are INCORRECT?
A.	Copper - Smelting
B.	Lead - Froth Floatation process
C.	Zinc - Mc Arthur and Forrest's cyanide process
D.	Chromium - Aluminothermic process
Answer» D. Chromium - Aluminothermic process

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