Web4 de set. de 2024 · 3. State few adaptation in big cats which help in their survival. 4. Magnesium ribbon burns in air and changes to white substance, i.e. magnesium oxide. Is it a chemical change? If yes, express the change in the form of equation. 5. Why is melting of ice a physical change? 6. How are the factory wastes neutralised? Webhazardous-waste management, the collection, treatment, and disposal of waste material that, when improperly handled, can cause substantial harm to human health and safety or to the environment. Hazardous wastes …
Industrial wastewater treatment - Wikipedia
Web5 de jun. de 2011 · Abstract. The increase in consumption of detergents (in particular, their domestic use) and the tremendous increase in production of surfactants are the origin of a type of pollution whose most ... WebIndustrial wastewater treatment describes the processes used for treating wastewater that is produced by industries as an undesirable by-product. After treatment, the treated industrial wastewater (or effluent) may be … how baby is born video
8) How are the factory waste neutralised?9) Can we survive only …
WebThe effect of the acid can be neutralised by rubbing moist baking soda, i.e., sodium hydrogen carbonate or calamine solution containing zinc carbonate. Question 7. How are the factory wastes neutralised? Answer: Many factory waste contain acids which kill fish and other organisms, if allowed to flow into the water bodies untreated. Web25 de jun. de 2024 · Factory pollution is often thought of as mostly smokestack emissions but can include acidifying rain, chemical spills, greenhouse gases and toxic waste disposal. Industry pollutes water and land as well. Once pollutants enter the atmosphere or the water system, they can spread beyond the factory. WebKnowledge of the chemical constituents in the waste is imperative. For safety reasons, no wastes should be neutralized or mixed together without prior knowledge of the make-up … how many mondays until halloween