Chapter 16 Laboratory: Electrochemistry 293
RQEWEvI UESTIOnS
q 1 : Which of the nails showed the greatest amount of rust and which the least? Why?
q: 2 What might explain some rust appearing on the nails in test tubes A or D?
q: 3 What might explain some rust appearing on the nails in test tubes B or E?
q: 4 Did a chemical reaction occur between the iron and the sodium chloride in test tube F? Explain your reasoning.
q: 5 Is the presence of sodium chloride alone sufficient to initiate or accelerate rusting? Explain your reasoning.