AdBlue is a urea-water solution used to reduce NOx emissions from diesel engines. It is clear, non-toxic, and non-flammable, and does not reduce SO2 emissions.
Which of the following statements are correct with reference to 'AdBlue'? (a) It is a diesel exhaust fluid used to reduce the amount of air pollution emitted by BS 6 diesel engine. (b) It is a mixture of demineralised water and pure urea. (c) It is blue colour toxic fluid with highly flammable properties. (d) It reduces the level of sulphur dioxide from the vehicle emission. Choose the correct answer from the options given below :
Asked in KPSC KAS Prelims 2024 · Topic: Pollution (Air Pollution: Types, sources, primary & secondary pollutants, smog, acid rain, effects, control technologies & policies.)
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