17. which of the following is true about an electrolytic cell?
it changes electrical energy into chemical energy.
it is the type of cell used in electroplating
it uses an electric current to make a nonspontaneous reaction go.
all of the above
18. the products formed in the net reaction of the electrolysis of water are
aqueous hydrogen ion and hydroxyl ion
hydrogen gas and oxygen gas
liquid hydrogen and oxygen gas
liquid oxygen and hydrogen gas
19. what occurs in electroplating?
decomposition of a metal layer
decomposition of a salt layer
deposition of a metal layer on a material
deposition of a salt layer on a metal