When does magnetic force push objects apart? A. when like poles of two magnets are facing each other
B. when opposite poles of two magnets are facing each other
C. when the objects are made of wood
D. never

Achemist who studies water samples did a demonstration of how to test for lead in water. she added a clear solution of potassium iodide to a clear solution of lead nitrate. then a yellow swirling solid formed in the liquid. what is most likely true about the yellow solid?