which of the following leads to a disease called broncho spasm?
A) SO2
B) SO3
C) SO4
D) CO2
Correct Answer:
Verified
Q7: what is the most common used coagulant?
A)
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Q9: which of the following is involved in
Q10: which of the following is a liquid
Q11: X ray films are a source of
Q13: which air pollutant cause corrosion of building?
A)
Q14: which of the following air pollutant effects
Q15: which of the following is used in
Q16: which of the following air pollution control
Q17: which of the following is incorrect regarding
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