Discussion
Which of the following liquids is a bad conductor of electricity?
Answer: D
The answer is None of the above.
A liquid conducts electricity when it contains ions that can move. Salted water contains sodium and chloride ions, and orange juice and lemon juice contain citric acid and dissolved salts that ionise. All three are good enough conductors to light a small bulb in a simple circuit test, so none of them is a bad conductor.
Bad conductors among liquids are those without ions, such as distilled water, kerosene or vegetable oil.
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