Failed to connect to MySQL: Access denied for user 'examnext_online'@'localhost' (using password: YES) Which ion is colourless? - Sarthaks eConnect
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Practice Online Test Series for JEE Main 2018 & NEET 2018

Which ion is colourless?

Which ion is colourless?

A.

`Cr^(+4)`

B.

`Sc^(+3)`
C.

`Ti^(+3)`

D.

`V^(+4)`

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