Naphthalene recovered from coke oven gas is used___________________?
Correct answer: C. As moth balls (insecticides)
- A. As moisture proof coating on fibres
- B. As a fuel in furnaces
- C. As moth balls (insecticides)
- D. For making electrodes
Explanation
Naphthalene sublimes readily and its vapour is toxic to many insects, which is why it is used in mothballs. Its strong odour and volatility make it unsuitable as an ordinary furnace fuel.
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