Inorganic ki mkc

Bc main padh padh ke thak gayi kuch dimaag mein ja hi nahin raha, especially qualitative. Main 4 jagah se dekh chuki hoon kahin kuch missing toh kahin aur missing bc KAHAN SE KARUN????
P block phir bhi kuch toh yaad hei salt analysis is my downfall I swear I will scream