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Pollution of Air and Water — Science STD 8 — Question

Gujarat BoardEnglish MediumSTD 8SciencePollution of Air and Water1 Mark
MCQ
Which element is present in the exhaust of automobiles?
  • ✓
    Lead
  • B
    Calcium
  • C
    Chromium
  • D
    Magnesium
✓

Answer

Correct option: A.
Lead

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