I have no idea what this means help

This flow chart shows the amount of energy that is emitted by each type of light. ultraviolet > blue light > yellow light > red light (maximum energy) (minimum energy) in an experiment, shining which type of light on a strip of metal would be least likely to produce the photoelectric effect? ultraviolet light dim blue light bright red light bright yellow light

In the reaction between a crushed antacid tablet and vinegar what gas is emitted

Amixture with the same composition throughout is!