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Which of the following can be used as a preservative for wood?

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in Applied Chemistry by (101k points)
Which of the following can be used as a preservative for wood?

(a) solvent spirit

(b) petroleum coke

(c) tar

(d) gasoline

This question was addressed to me during an interview for a job.

This interesting question is from Mining of Petroleum topic in portion Fuel Technologies of Applied Chemistry

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Right answer is (c) tar

The explanation: Tar is used for preserving wood and the solvent spirit is mainly used for dry cleaning and as motor fuel.

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