The Silver Sword- Ian Serraillier The Silver Sword is a story about the Balickis’‚ a Polish family‚ living in Warsaw. The story is about their separation due to the Nazi injustice in 1940 and how they reunite themselves in Switzerland after the war. It took them 5 years to reunite‚ the children have grown up‚ the adults have aged but at least they are all together again‚ along with a new member of the family. The first person that was separated from the family was the father‚ Joseph
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1- Synthesis of silver nanoparticles by Bacillus sp.: The microorganisms in the most contaminated toilet Sink were isolated by dilution technique. The dominant bacterial strains are identified as Bacillus sp.‚ on the basis of morphological and biochemical characteristics. Gram’s staining: Gram positive and rod shape. They were serially diluted and spread on nutrient agar plates. The starch has been hydrolyzed and a clear zone by the addition of iodine solution. Visual identification: When bacterial
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Finding The Silver Lining 25 March 2014 Calgary Avansino For today’s Weekly Wellbeing piece‚ Calgary Avansino turns her attention to breast cancer‚ and what to do when you’re diagnosed with it. Every year‚ 55‚000 women in the UK alone are diagnosed with some form of breast cancer‚ which means that one person every ten minutes will be affected. It’s more important than ever to educate yourself‚ check yourself and protect yourself! Now an inspirational and‚ most
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Writer: Dini Mustaqima Indonesia University of Education The Pieces of Silver by Karl Sealy The focus of this story is the development of plot which is started from the basic situation followed by some complications‚ climax and resolution. In order to develop this story line‚ there are some factors that are needed to be taken into consideration and those are the characters‚ conflicts and also setting that later on will give us the idea of the story’s theme. From the story we will discover
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Abstract The main two reasons for the companies to implement variable pay plan are: motivating employees and reducing cost. In this paper we try to point out the challenges the organizations might face when they apply variable pay system by reviewing related literature. We find that it is difficult for the company to have a reliable measure for the variable pay system. In addition‚ the focus of the variable pay plan should be on motivating employees or cutting cost and how to strike a balance between
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of Chlorine and Iodine in Water I. Introduction The purpose of this laboratory was to determine the amount of chlorine and iodine in a sample of water by titration using a starch indicator and to standardize a sodium thiosulfate solution. Chlorine is added to municipal water supplies to purify it enough to become safe to drink. Iodine is also added to water when people camp or go hiking in the back country where they cannot bring purified water along. Chlorine and iodine are added to kill
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Effect of light on Silver Halide Salts Aim: To investigate the effect of sunlight and UV light on silver salts and to identify an application of this reaction. Hypothesis: The compounds exposed to sunlight (which already contains UV light) will decompose. The compounds which are not exposed to light (put in a dark place) will not decompose. Theory: Equipment: * 4 x petri dishes * 1 x glass stirring rod * 0.1 mol/L silver nitrate in a dropper bottle * 0.1 mol/L Sodium chloride
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The thermal decomposition of nitrates – ‘writing with fire’ 31 A message is written on filter paper with a solution of sodium nitrate and is then dried‚ rendering it invisible. Applying a glowing splint to the start of the message makes the treated paper smoulder and the message is revealed as the glow spreads its way through the treated paper. Lesson organisation The demonstration takes about 10 -15 minutes. It could be a student activity‚ but with a large class it will need a well
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Chapter 1 Chemical Reactions and Equations Q.1. Why should magnesium ribbon be cleaned before burning in air ? Ans: Magnesium ribbon is a very reactive metal. When stored it reacts with oxygen to form a layer of magnesium oxide on its surface. This layer of magnesium oxide being a stable compound prevents further reaction of magnesium with oxygen. The magnesium is cleaned before burning in air to remove this layer so that the metal can be exposed to air properly. Q.2. Write the balanced
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Copper-Silver Nitrate Reaction Introduction In this experiment copper wire will be placed in a solution of silver nitrate. This single replacement reaction will produce a blue solution of copper II nitrate and solid silver. By weighing the reactants before the reaction‚ the mass of silver produced can be predicted. This theoretical yield can be compared to the actual yield of silver. Purpose Students will compare the theoretical mass of silver with the actual mass of silver from the single
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