3. Alum is used in water treatment as
A. a germicide.
В. a decolourising agent.
C. an antioxidant.
D. a coagulating agent.​

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

What produces wave a)sound b) heats c)transfer of energy d)vibrations

Which scenario is most similar to the type of collision that gas particles have according to kinetic molecular theory