Start learning →

A car with a catalytic converter must use unleaded petrol because lead:

ARaises the fuel cost
BLowers the mileage
CInactivates the catalyst
DCorrodes the engine block
Answer & Solution
Correct answer: C. Inactivates the catalyst
1. The catalyst is a metal surface. 2. Lead in petrol inactivates it. 3. So unleaded fuel is essential. _Source: syllabus Biology, Chapter 16, Environmental Issues._
Practise this question with Quill — UPSC CSE →

Keep practising Environment & Ecology

Browse all Environment & Ecology questions for UPSC CSE, or explore more Environment topics.

Start a Environment & Ecology lesson →
Related questions
Wastewater bingoType the numberSort the treatment processesOrganic or inorganic impuritySlice the sewage wordsRun the treatment plantPop the water borne diseasesCatch the treatment steps