Calcium mg/kg Sodium mg/kg Iron mg/kg Manganese mg/kg Zinc mg/kg Phosphorus mg/kg Wheat flour(72%) 427 238 151 38.03 5.72 3.19 784 Banana peels 16303 3321 440 1217 54.73 1.97 641 The result of mineral content of wheat flour and banana peels is tabulated in table (3) that shows the concentration of phosphorus in wheat flour was the highest (784mg/kg) followed by potassium‚ calcium‚ sodium‚ iron‚ manganese and zinc (427‚ 238‚ 151‚ 38.03‚ 5.72 and 3.19 mg/kg) respectively
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oxidising agents. In many cases‚ the corrosion of a metal results in the formation of the metal oxide or hydroxide. However in some cases‚ other corrosion products such as carbonates‚ sulfides and even nitrides may be formed. e.g. METAL IRON (Fe) ZINC (Zn) ALUMINIUM (Al) MAGNESIUM (Mg) SILVER (Ag) POSSIBLE CORROSION PRODUCTS Fe2O3 Fe(OH)3 Fe2O3.H2O ZnO Zn(OH)2 ZnCO3 Al2O3 Al(OH)3 MgO Mg(OH)2 Mg3N2 Ag2O Ag2S * In this study unit on corrosion‚ we shall be principally concerned with the corrosion
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5g Calcium carbonate‚ 0.5g Copper chloride solution‚ 4mL Hydrochloric acid‚ 4mL Magnesium ribbon‚ 2-4 cm strips Phenolphthalein indicator‚ 1 drop Sodium hydroxide solution‚ 1mL Sodium phosphate solution‚ 1mL Water Zinc‚ mossy‚ or zinc shot‚ 1-2 pieces Introduction: In this lab we will classify different chemical reactions. Classifying chemical reactions allows us to predict what chemical reactions will occur when different substances are mixed. Procedures: Reaction 1)
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until a precipitate formed. All observations were recorded. Then‚ 10 drops of nitrate solution and 10 drops of 6 M NaOH were mixed together in a centrifuge tube‚ then the mixture was transferred to a dry centrifuge tube with a pipet. A few granules of zinc was added to the centrifuge tube and it was heated for 2 minutes before the Zn started to break down and gas started to be emitted. A piece of red litmus paper was creased into a V and wetted and was placed into the top of the tube. The paper turned
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CHE101 Experiment date: 06/20 Write-up date: 06/21-06/22 Purpose: The purpose of this experiment is to examine different properties of gases in order to be able to identify them in a laboratory setting. I will be using Hydrochloric acid‚ mossy zinc‚ Bromothymol blue‚ limewater‚ Manganese‚ and Alka Seltzer‚ to test different properties of gases formed by chemical reactions. In order to extract the gas I will use several household products such as vinegar‚ baking soda‚ water‚ and hydrogen peroxide
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identical time the usage of maple syrup assists in beautifying your pores and skin glow. Maple syrup is the fine treatment for bloodless due to the fact maple syrup includes vital minerals that encompass Zinc and Manganese the ones are critical minerals that assist to infection. Particularly‚ Zinc aid to improve the boom of your white blood cells‚ it’s far continually crucial for defensive the frame in opposition to wonderful fitness problems and infections. On the equal time‚ Manganese helps to shield
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Report Sheet Experiment 1 0 Balance the equations for the three reactions studied. Note‚ in all reactions the numbers of atoms of each type and the total charge must be equal on each side of the equation. Equations 1) Cu + 4H+(aq) + 2NO3-(aq) Cu2+(aq) + 2NO2 + 2H2O 2) Cu2+(aq) + 2-OH(aq) Cu(OH)2 3) Cu(OH)2 + heat CuO + H2O (Balanced) 4) CuO + H2SO4 Cu2+(aq) + SO42-(aq) + H2O (Balanced)
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What is a brass instrument? Before getting into the history of how brass instruments originated and developed it is necessary to be clear on what a brass instrument actually is. A brass instrument is defined as an “aerophone‚” which means it is an instrument where the musician must blow air into the instrument. The musician produces the tone by buzzing the lips into what is generally a cup-shaped mouthpiece. It doesn’t mean that the instrument is necessarily made of brass‚ since instruments that
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predicted the element would be below aluminum in the periodic table of elements. In the year of 1875‚ the element Gallium was discovered by French chemist Paul E. Lecoq de Boisbaudran through a spectroscope in Paris. De Boisbaudran extracted gallium from a zinc blende ore from the Pyrenees and obtained .65 grams from 430 kilograms of ore. He isolated gallium by electrolysis of its hydroxide in potassium hydroxide solution. The origin of the name comes from the Latin word ‘Gallia’‚ which means France. Gallium
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awareness and right choice of food. Another misunderstanding is about iron‚ zinc and B vitamins People think that due to monthly blood loss at women‚ vegetarians have low values of iron needed for formation of hemoglobin in red blood cells and just not enough of zinc and B vitamins from their food. According to Australian study‚ there is not significant difference between omnivores and vegetarians in values of iron‚ zinc and B vitamins. Also‚ all these can be found in regular multivitamin supplements
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