1.

{:("Concentration process","Name of process"),("A) Hydrogen on finely","1) Physisorption"),("divided palladium","2) Chemisorption"),("B) Hydrogen on nickel","3) Occlusion"),("C) Hydrogen on charcoal","4) Desorption"):} The correct match is

Answer»

`{:(A,B,C),(1,2,3):}`
`{:(A,B,C),(3,1,4):}`
`{:(A,B,C),(3,2,1):}`
`{:(A,B,C),(4,3,2):}`

ANSWER :C


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