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When a part of the timber is affected by dry rot, the unaffected portion of the timber should be painted with a solution of _________

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When a part of the timber is affected by dry rot, the unaffected portion of the timber should be painted with a solution of _________

(a) Aluminium nitrate

(b) Silver chloride

(c) Copper sulphate

(d) Lead acetate

The question was posed to me in semester exam.

This question is from Timber in chapter Steel, Timber, Mortar, Plastics, Non-Ferrous Metals and Alloys of Construction & Building Materials

1 Answer

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The correct answer is:

(c) Copper sulphate

Copper sulphate is commonly used to treat timber affected by dry rot. It helps prevent further fungal growth in the unaffected parts of the timber, acting as a preservative.

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