Exposure to SO‚Äö√á√á containing chimney gases results in th – McqOptions

MCQOPTIONS

1.	Exposure to SO‚Äö√á√á containing chimney gases results in the#
A.	Reduction in strength of leather & cloth
B.	Acceleration of corrosion rates of metals
C.	Increased drying & hardening time of paints
D.	All of the above
Answer» E.

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