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"Elemeta ore" underset((ii)"Filter")over...

`"Elemeta ore" underset((ii)"Filter")overset("Alkaline NaCN solution+air")to underset("Filtrate")(X)`
`(X) overset("Metal powder")to (Y)downarrow + underset("soluble complex")(Z)`
Which of the following can be used to precipitate (Y) from the filtrate (X)?

A

Zn dust

B

Al dust

C

Pt dust

D

Both a and b

Text Solution

Verified by Experts

The correct Answer is:
d
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