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ENEM PPL 2024 - Complete solution to the chemistry test. Introduction 00:00 Question 1 1:36 The excessive use of plastic ...

16. A farmer, intending to sell her recently harvested corn, tested a way to preserve the sweet flavor of her product. The ...

15. One of the agents that contributes most to air pollution is the internal combustion engine automobile. In urban areas ...

14. In common sense, it is still considered today that organic compounds are substances present in living beings. In Chemistry ...

13. Microbial fuel cells (MFCs) are capable of generating electricity from urban and agro-industrial wastewater. MFCs are ...

12. Homemade serum is used to combat dehydration by replacing water and mineral salts lost, for example, due to diarrhea. A ...

11. Nimesulide is a drug that is slightly soluble in water and is used as an anti-inflammatory, analgesic and antipyretic ...

10. Biogas is a very important energy alternative because, in addition to reducing dependence on fossil fuels, it can be ...

9. Brazil ends 2020 among the largest recyclers of aluminum cans Bauxite contains alumina (Al_2 O_3), which is the raw ...

8. Ordinary solar panels depend on sunny days to generate energy. But we can generate electricity with the help of raindrops ...