HomeChemistryWhich of the following is not a secondary pollutant 91. Which of the following is not a secondary pollutantBy Admin / September 17, 2025 A. Ozone B. Carbonic acid C. Sulphuric acid D. Carbon dioxide ✅ The correct answer is option D.
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2. The mass of one mole of an electron is Leave a Comment / Chemistry, Chemistry Diagnostic Test MCQs / By Admin