Gujarat BoardEnglish MediumSTD 11 ScienceChemistryEnvironmental Chemistry1 Mark
MCQ
he classical smog was first observed in :
✓
London
B
Tokyo
C
Paris
D
New york
✓
Answer
Correct option: A.
London
Smog is the term which is used to describe the combination of the smoke and the fog. Dr. Henry Des Voeux coined the term smog after he studied the fog in London which contains the smoke and dust particles. The presence of the high concentration of the carbon particles was responsible for the black colour of the fog.
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