For machining of Cu material which of the following can be used as ele – McqOptions

MCQOPTIONS

1.	For machining of Cu material which of the following can be used as electrolytes?
A.	H<sub>2</sub>PO<sub>4</sub>
B.	H<sub>2</sub>PO<sub>4</sub> and Na<sub>2</sub>CrO<sub>4</sub>
C.	HCLO<sub>4</sub>
D.	HNO<sub>3</sub>
Answer» B. H<sub>2</sub>PO<sub>4</sub> and Na<sub>2</sub>CrO<sub>4</sub>

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