Exposure to SO2 containing chimney gases results in the__________________?
Correct answer: C. All A., B. and C.
- A. Reduction in strength of leather & cloth
- B. Acceleration of corrosion rates of metals
- C. All A., B. and C.
- D. Increased drying & hardening time of paints
Explanation
Sulfur dioxide in chimney gases attacks leather and textiles, accelerates metal corrosion, and interferes with the drying and hardening of paints. Therefore, all three listed effects can occur.
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