1.

{:("List - I","List - II"),("A. Schottky defect","A. AgBr"),("B. Frenkel defect","2. FeO"),("C. Metal excess defect","3. NaCl"),("D. Metal deficiency defect","4. ZnO"):}

Answer»

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

ANSWER :(b) 3, 1, 4, 2


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