Inhalation of lead compounds present in automobile exhaust (using leaded petrol) causes

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Inhalation of lead compounds present in automobile exhaust (using leaded petrol) causes Answer: All (a), (b) & (c).

Question context

This question is part of ⚗️ Chemical Engineering within the broader 🛠️ Engineering Essentials subject and appears in the DemoPaper-Pakistan preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.