Illustrated Guide to Home Chemistry Experiments

(Amelia) #1
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.

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