Loading...
Loading...
Three-way catalytic converter is used in vehicles to reduce 1. Unburnt Hydrocarbon 2. Carbon Monoxide 3. Nitric Oxide 4. Sulphur dioxide Select the correct answer using the code given below :
Correct Answer: (a)
Official keyThis question appeared in the PPSC Prelims 2021 examination (GS-I). It is Question 62 out of 100 questions in this paper.
This question was part of the PPSC Prelims 2021 (GS-I). The PPSC Prelims examination tests candidates on general studies, current affairs, and aptitude through multiple-choice questions.
Practice previous year questions from all PPSC Prelims papers and compare patterns with UPSC Prelims PYQ to identify overlapping topics.