Answer:
I think the answer to the question is number 2 "make your own non-toxic cleaning products using common kitchen ingredients"
Answer:
C nhé ! CH3COOH là axit chứ không phải este
#2. Percent error (or deviation) is calculated as ((TV-EV)/EV))*100
Physical change is the color, shape stuff like that and chemical change is once it’s changed it can’t go back
