Title : FOOD TESTS Aim : To determine whether given unknown solutions A‚B‚C‚D‚E‚F and G contain Reducing/NonReducing Sugars‚ Lipids‚ Proteins or Starch. Apparatus/Materials: - Bunsen burner - Solutions A‚ B‚ C‚ D‚ E‚ F and G (unknown) - Measuring Syringes - Stirring Rod - Beakers - Test tubes (7)plus holder and tray - Copper sulphate solution (CuSO4) - White dropping ray - tripod stand and mesh -stopwatch - Biuret͛s solution - Sodium Hydroxide solution (NaOH) (or Potassium Hydroxide
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What is water purification? Water purification generally means freeing water from any kind of impurity it contains‚ such as contaminants or micro organisms. Water purification is not a very one-sided process; the purification process contains many steps. The steps that need to be progressed depend on the kind of impurities that are found in the water. This can differ very much for different types of water. In which ways is polluted water treated? Settling Before the purification process begins some
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Water is a chemical compound with the chemical formula H2O. A water molecule contains one oxygen and two hydrogen atoms connected by covalent bonds. Water is a liquid at standard ambient temperature and pressure‚ but it often co-exists on Earth with its solid state‚ ice‚ and gaseous state (water vapor or steam). Water also exists in a liquid crystal state near hydrophilic surfaces. Water is considered a purifier in most religions. Major faiths that incorporate ritual washing (ablution) include Christianity
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Results 1. We cannot tolerate children dying for a glass of water The Guardian (London) - Final Edition‚ March 8‚ 2006 Wednesday‚ COMMENT; Pg. 32‚ 923 words‚ Kevin Watkins Return to List 1 of 1 DOCUMENT The Guardian (London) - Final Edition March 8‚ 2006 Wednesday We cannot tolerate children dying for a glass of water BYLINE: Kevin Watkins SECTION: COMMENT; Pg. 32 LENGTH: 923 words The rich world must act to prevent dirty water and poor sanitation now killing more than a million children
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conducted so that we may know how things happen in the level of cells. Objectives: 1. To demonstrate the principle of Osmosis and to apply it with actual life situations. Materials and Methods: • Materials: Compound microscope Glass Slide Cover Slip Tissue Paper Blade Rhoeo discolor Leaves Salt Solution • Procedures: Place a drop of distilled water on a clean glass slide. With the use of a blade‚ cut a thin slice of the lower epidermal leaf (red violet in color)
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on the desalination of water. The desalination of water is very important to human and animal life. For centuries humans have used the process of desalination to obtain water safe for consumption.Various methods of desalination have been produced however only some of those methods are widely used today. Although there are numerous methods of desalination all of them involve three liquid streams: the saline feedwater (seawater or brackish water)‚ low-salinity product water‚ and very saline concentrate
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brown‚ sugar 1 tbsp. butter Procedure: Beat eggs and add salt. Sauté onions and tomatoes in oil. Pour scrambled eggs and cook until done. Transfer to plate. In the same pan melt butter. Dip sides of luncheon meat slices on sugar then pan fry in butter. Served glazed luncheon meat with scrambled eggs. Shrimp Chowder Ingredients: ¼ cup butter or margarine 1 kilo shrimp‚ shelled and deveined 1 ½ cups of Alaska Evaporated Filled Milk 2 tbsp garlic 1 cup chopped onion 5 cups water 2 pcs
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The process of osmosis and its importance to living organisms Osmosis is the process by which there is a net movement of water through a semi permeable membrane from an area of high water potential to an area of low water potential. Within a cell‚ osmosis has the following effect. If the water potential of the cell is lower than that around the cell water will move across a concentration gradient into the cell. If this is the case‚ the increase in water in the cell‚ may cause the cell to swell
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Realist plays are often a response or a comment on an issue or topic in society‚ past or present. Within No sugar‚ it is accepted Davis is responding to the topic of racism against Indigenous Australians‚ treating them in a subhuman manner and “othering” them. Othering can be defined as the practise of imposing a definition on a particular group in society‚ most commonly a marginalised one. It consequently disempowers the chosen groups and allows the dominant group to maintain it’s power and control
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Egg Osmosis Lab The purpose of this lab was to demonstrate an example of a spontaneous reaction and its connection to metabolism; in this case it was osmosis. The procedures that we used to complete the experiment were taking five eggs that had been soaked in a sucrose solution and then placing each one in containers of sucrose that each had different levels of concentration. The mass of each egg was measured before being placed into the solutions and then every 10 minutes after until they had soaked
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