run something into something. 1. to guide or route something, such as a wire or a pipe, into something or a place. The worker ran the circuit into each room. He ran in the circuit as specified. 2. to guide something into something; to drive or steer something into something else.
A change of color to a blue-black or purple color suggests that starch is present. If there is no change in color, this suggests no starch is detectable. Note the change of the iodine to black on the potato (right) but not the apple (left). (10% Tincture of iodine.) Potato contains starch, but apple does not.
Best Answer: If Iodine is added to a Starch solution, they react with eachother and the Iodine darkens to an almost pitch black. However, if Iodine is added to a solution containing no Starch, it will show up only as an extremely pale brown.est Answer: If Iodine is added to a Starch solution, they react with eachother and the Iodine darkens to an almost pitch black. However, if Iodine is added to a solution containing no Starch, it will show up only as an extremely pale brown.