Moist atmospheric air at high temperature (e.g., in summer) having high concentration of sulphur dioxide causes________________?
Correct answer: A. All A., B. and C.
- A. All A., B. and C.
- B. Corrosion, tarnishing & soiling of metals
- C. Reduced strength of textiles
- D. Fading of dyes on textiles
Explanation
Sulphur dioxide dissolves in atmospheric moisture to form acidic species that attack metals, soil surfaces and textile fibres, while also fading dyes. Thus all three listed effects can occur under humid polluted conditions.
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