A pupil carried out an experiment in a fume cupboard to find out how electricity affected different substances. Some of the substances were in aqueous solution, others were in the molten state. Carbon electrodes were used in each experiment and she wrote down her results in a table with these headings.

Make a table like the one shown and fill it in with what you think happened for each of the substances below.

a. Molten lead iodide.

b. Sugar solution.

c. Silver nitrate solution.

d. Copper(ii) sulfate solution.

e. Molten sodium bromide.

f. Ethanol solution.

Transcribed Image Text:

Substance What was formed What was formed at the cathode (-) at the anode (+)