Mom is very hard, every day when she comes home, she is in a hurry to go into the kitchen to cook, s

A. The statement is correct, cooking rice with a rice cooker is the use of the thermal effect of electric current;

B. The statement is correct, the combustion of liquefied gas for stir-frying is the conversion of chemical energy into internal energy;

C. The statement is wrong, the fragrance of stir-fry can be smelled in the living room because the molecules are doing non-stop thermal movement;

D. The statement is wrong, the rice cooker and microwave oven are inserted on the same row seat, and the rice cooker and the microwave oven are parallel circuits

Therefore, choose A and B