Hardness of Water by EDTA Titration Introduction Water hardness is caused by natural minerals that are dissolved into the water‚ predominantly calcium and magnesium‚ and is measured as the equivalent concentration of calcium carbonate (in milligrams per litre). Water hardness is usually noticed because of difficulty in lathering soap and the formation of a scum in the bathtub. Ca2+ and Mg2+ form insoluble salts with soaps causing precipitation of the soap scum. Another effect of hard water is “boiler
Premium Calcium Hard water Water
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
Premium Spectroscopy Titration Laboratory glassware
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
Premium Water Boiling Cooking
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
Premium Water Life Train station
ESSAY ON WATER & ENERGY CRISIS IN PAKISTAN 1. INTRODUCTION: “Water is precious‚ use it wisely” says a notice placed in the bathroom of a five star hotel in Karachi. There could not be a sounder piece of advice but it should be given not only to the guests of the five star hotels but also to the entire citizenry of Pakistan. Pakistan is rapidly moving to the situation when it will begin to be ranked among the countries that have severe shortages of fresh water. Wise use of this precious resource
Premium Water Indus River Water resources
WATER SCARCITY AND SECURITY IN INDIA Dr. Narayan G. Hegde nghegde@baif.org.in Global Water Crisis Water is life because plants and animals cannot live without water. Water is needed to ensure food security‚ feed livestock‚ maintain organic life‚ take up industrial production and to conserve the biodiversity and environment. Hence‚ there is no life without water. Earth is the only plant‚ so far known to have water and this makes it fit for human living. However‚ with reckless abuse and
Premium Irrigation Water Water resources
Introduction Water is our body ’s most important nutrient‚ is involves in every bodily function‚ and makes up 70- 75% of our total body weight. Water helps you to maintain body temperature‚ metabolize body fat‚ aids in digestion‚ lubricates and cushions organs‚ transports nutrients‚ and flushes toxins from our body. Everyone should drink at least 64 ounces per day‚ and if you exercise or are overweight‚ even more. Our blood is approximately 90% water and is responsible for transporting
Premium Water Irrigation Water supply
Quality Assurance vs Testing vs Quality Control by durgesh.kaushik on December 17‚ 2010 Today‚ almost every organization has a QA department that is responsible for “testing” software applications to discover and eliminate bugs. However‚ there is a fundamental flaw in this definition of the role of QA in an organization. Most executives that I have talked to‚ fail to understand the difference between Quality Assurance and Testing‚ and oftentimes use these terms alternatively. So‚ what is
Premium Management Quality assurance Quality control
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
Premium Precipitation Water Climate
The Right to Access Clean Water Only 2% of earth’s water is available for human consumption because 98% of the earth’s water is frozen in ice caps‚ flowing in the ocean‚ and even in animal bodies‚ etc. More than a billion people have no decent water supply‚ adding to that about 2.4 billion people do not have proper sanitation; therefore more than 60% of global illness is linked to the lack of healthy water. Water is a natural source of nature and access to clean water should not be used as a traded
Premium Water supply Water crisis Water resources