Is the following statement true or false? luminol detects human blood at crime scenes. it changes color if an iron-containing protein in red blood cells is present. luminol is a chemical indicator.

A. True

B. False

the relative standard reduction potential of the half-cell in which reduction occurs; more positive than the other half-cell. reduction is a chemical process in which electrons are added to an atom or an ion; it always occurs accompanied by oxidation of the reducing agent.

what are the awnser choices? i mean, without choices, it is an incompleat