Carbon dioxide (CO2), oxides of nitrogen (NOx), and oxides of sulphur (SOx) are all major emissions from burning coal. CO2 is a primary product of combustion. NOx is formed at high temperatures from atmospheric nitrogen. SOx is formed from the sulfur content in coal.
Consider the following statements: 1. Carbon dioxide 2. Oxides of Nitrogen 3. Oxides of Sulphur Which of the above is/are the emission/emissions from coal combustion at thermal power plants?
Asked in OPSC CS Prelims 2023 · Topic: Pollution (Air Pollution: Types, sources, primary & secondary pollutants, smog, acid rain, effects, control technologies & policies.)
More Environment and Ecology questions
- Which of the following are primary pollutants? (1) Carbon monoxide (CO) (2) Sulphur oxides (SO₂) (3) Volatile Organic Compounds (VOCs) (4) Nitric Oxide (NO) (5) CFC's (6) Radioactive pollutants Select the correct answer using the code given below
- National Air Quality Index (AQI) is launched by the government to monitor the quality of air in major urban centres across the country on a real-time basis and enhancing public awareness for taking mitigative action. In this context, consider the following statements: (1) AQI will have 'one number, one colour and one description' to inform the public about air quality in a simple and easily understandable format (2) There are six AQI categories, namely: good, satisfactory, moderately polluted, poor, very poor and severe (3) The index considers eight pollutants - PM10, PM2.5, NO₂, SO₂, CO, O₃, NH₃ and Pb Which of the statements given above are correct?
- Consider the following statements regarding Styrene gas leakage from LG Polymers Plant in Vishakhapatnam, Andhra Pradesh: Styrene gas that is used in the production of polystyrene plastics and resins is normally stored as liquid in factories. Short exposure to Styrene gas results in irritation of mucous membrane and eye, gastrointestinal effects and inhalation problems and long term exposure to the gas causes damage to central nervous system and fatality as well. Which of the statements given above is/are correct ?
- 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 :
- In acid rain, the rain water and snow is contaminated by which of the following pollutants ? (A) Sulphur-di-oxide (B) Nitrogen oxide (C) Carbon-di-oxide (D) Methane
- Which among the following environmental pollutants are responsible for "acid rain"?
- Which of the following do not grow in polluted area ?
- According to Central Pollution Control Board, the Air Quality category for IND-AQI range of 101-200 is
