Gujarat BoardEnglish MediumSTD 11 ScienceChemistryEnvironmental Chemistry1 Mark
MCQ
Smog is a combination of :
A
Fire and water.
✓
Smoke and fog.
C
Water and smoke.
D
Air and water.
✓
Answer
Correct option: B.
Smoke and fog.
Smog is a type of air pollutant, is a combination of smoke and fog.
Classic smog results from large amounts of coal burning in an area and its caused by a mixture of smoke and sulphur dioxide.
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