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1)in the N2 FAMILY THE MELTING POINT DECREAESES DOWN THE GROUP from Ar to Bi BUT METALLIC CHARECTER INCREAESES SO MP SHOULD INCREASE NA????
2)WHY IS IT NESSACERY TO REMOVE CO IN HABERS PROCCES IS THE QUESTION IN NCERT TEXT BUT WHERE DOES CO COME IN HABERS PROCCES???????
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