Aim: To compare the foaming capacities of five different commercial soaps. Apparatus: 5 test tubes‚ 5 conical flasks (100 ml)‚ test tube stand‚ Bunsen burner and stop watch. Materials Required: 5 different samples of soap and distilled water Theory: The foaming capacity of a soap sample depends upon the nature of soap and its concentration. This can be compared for various samples of soaps by taking the same concentration of solution and shaking them.The foam is formed and the time taken
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fresh water is also becoming a scarcity. The limited availability of fresh water and its unequal distribution make water pollution a matter of great concern. Water pollution is generally localized and confined‚ making it more severe. The pollutants undergo many reactions and can become hazardous. 70 % of India’s fresh water is polluted‚ including several high altitude lakes. While water pollution is easier to study and manage‚ its control is highly complex and very costly. Water pollution
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few decades before that you will require to buy drinking. The use value of water was never undermined‚ but it’s about time that even its exchange value is given due importance. Fresh water today is a scarce resource‚ and it is being felt the world over. More than 2000 million people would live under conditions of high water stress by the year 2050‚ according to the UNEP (United Nations Environment Programme)‚ which warns water could prove to be a limiting factor for development in a number of regions
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glass rod ‚volumetric flask 100ml ‚dropper CHEMICALS Potassium permanganate (KMnO4)‚ distilled water PROCEDURE A. Preparation of the KMnO4 standard solution 1. KMnO4 was weigh accurately to nearest mg. The reading was recorded. The solid transfer to a 100ml volumetric flask using funnel. 2. The solid was dissolved with distilled water. The flask was shaken after using stopper. Distilled water was added to the mark ‚the dropper was used when reaching the last drop. The flask was stopped using
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of oil is added to a hot wok and a chicken is stirred fried until cooked. I stir fry the chicken in three separate lots so the chicken cooks quickly and does not get too much water in it. Chicken is set aside and heat is turn off temporarily. After that‚ a kettle is filled with water and boil. You will use this boiling water to soak the rice noodles. One tablespoon of oil vegetable is added to the wok‚ and the paste is stirred fried for about 2 minutes. This releases all the flavours of the Laksa
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Three Step Literary Analysis The book‚ Color of Water‚ is written by James McBride and it is the story of his life and his mother’s. The book is more like two intertwining books than just a single book. It switches between two points of views‚ Ruth McBride and her son James McBride. In Ruth’s chapters‚ she chronicles out her life story beginning with her migrating to the United States when she was two years old. At a young age‚ Ruth’s life is filled with hardship. Her father did not love her
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WATER RESOURCES Water is an essential element to our everyday existence. Its role is vital in the sustenance of all life forms‚ as well as in agricultural‚ industrial‚ households‚ recreational and environmental activities. As population continues to rise‚ so does the demand for fresh water too. Water is a major factor shaping the natural environment. It has a long-term influence on the vegetation‚ fauna‚ and shape of the landscape and on various ecosystems. 1‚830 SQ KILOMETERS OF PHILIPPINE
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Water Balance of Berkeley‚ California and Terre Haute‚ Indiana Johnny L. Luckett Excelsior College Abstract This paper discovers the water budget for Berkeley‚ California in comparison to Terre Haute‚ Indiana. The two cities precipitation differs throughout the twelve month calendar year where many of the heavy precipitation months are totally opposite. Berkeley California’s winters‚ where the majority of rain occurs and Terre Haute‚ Indiana where the rainfall is observed as
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Water pollution and pollution in general is a problem that people don’t like to deal with. Water pollution can cause so much damage to people and to the animals that live in that body of water. The laws that we have are doing what they need to but we need to monitor the water more closely because if we don’t catch the pollution when it happens it could cause a big disaster. It could kill all of the plant life that lives in the water and the animals that live there to. Some of the pollutions that
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Fundamental Science Salt water egg experiment Result Some objects float on top of the ocean‚ and other objects sink to the bottom. Why? In this salt water egg experiment we can find a solution for this question. It was noted that to make the egg float salt is needed to dissolve into fresh water. When the egg was lowered into the fresh water container it started to sink. But when salt was added to the container the egg started to float. Adding salt to the water squishes more molecules
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