L
lovelycat1994


thuy phan chat A (C3H5O2Cl) trong moi truong kiem thu duoc cac san pham, trong do co hai chat co kha nang tham gia pu trang bac. CTCT dung cua A la
A. HCOOCHCl-CH3
B. Cl-C2H4-COOH
C. HCOOCH2CH2Cl
D. CH2Cl-COOCH3
dap an la yA. nhung minh chon y C. minh k hieu sai cho nao?
A. HCOOCHCl-CH3
B. Cl-C2H4-COOH
C. HCOOCH2CH2Cl
D. CH2Cl-COOCH3
dap an la yA. nhung minh chon y C. minh k hieu sai cho nao?