1.

Match the column-

Answer»

<P>`{:(Column-I,Column-II),("Highest DENSITY",(P) OS):}`
`{:(Column-I,Column-II),("Colourless salts",(Q) Os):}`
`{:(Column-I,Column-II),("Maximum MAGNETIC moment",(R) Cr):}`
`{:(Column-I,Column-II),("Variable oxidation state",(S) Mn):}`

Solution :N//A


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