TLS Online TPP Program

#Question id: 39563


Which statements about electrochemistry are correct?

I. Voltaic cells produce electricity spontaneously
II. Electrolytic cells require external current
III. Electrons flow from cathode to anode in voltaic cells

#Biochemistry
  1. II and III only
  2.  I and II only
  3. I and III only
  4. I, II and III