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 ... Web(a) If waste from a factory flows into water bodies, it poses a threat to aquatic life and to anyone who uses or drinks that water. Acids present in waste from a factory killed the aquatic organisms. (b) If the waste is acidic in nature, it can be neutralised by adding basic substances so that water in the pond can be neutralised.
5 Ways to Reduce Hazardous Waste - WorldOfChemicals
Web17 de mar. de 2024 · The sources of solid waste include residential, commercial, institutional, and industrial activities. Certain types of wastes that cause immediate … Web6 de jan. de 2024 · How are factory waste Neutralised? Factory wastes are acidic in nature which may cause harm to aquatic life. Hence, they are neutralised by using a base before disposing it into the water bodies. What are the four stages in the treatment of sewage? 4-Step Wastewater Sludge Treatment Process. iphonese 中古買取
Acids, Bases and Salts Class 7 Science Extra Questions and Answers
WebThe wastes of factories contain acids. If acids are disposed off in the water body, the acids will harm the organisms. So factory wastes are neutralised by adding basic substances. Concept: Neutralization Reactions in Our Daily Life. WebThe wastes of factory may contain high ratio of basic or acidic chemicals. These chemicals make aquatic life difficult. Base will neutralize the acids. So, by adding the base (limestone, lime etc) into water we can make it less harmful and neutral too. 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. orangeburg county vehicle taxes online