Question

If a substance from a Kastle-Meyer test turns pink, the substance is definitely blood.

Answer 1

Answer:

True

If the swab turns pink immediately, this is a positive test for blood. If the color does not change, the sample does not contain a detectable amount of blood. Note that the swab will change color, turning pink after about 30 seconds, even if no blood is present.

Answer 2

The answer to this is true