People attend college or university for many different reasons (for example‚ new experiences‚ career preparation‚ and increased knowledge). Why do you think people attend college or university? Use specific reasons and examples to support your answer. In the past‚ the chances of going to college or university are difficult. This is due to the financial problem and also the amount of college and university that built up in that time. But in this new millennium‚ all people are having an opportunity
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to compare the properties of the prepared soap and synthetic detergents which are precipitation‚ emulsification and cleaning abilities. It can be concluded that soap has the properties if emulsifying oil whereas detergent has not. The abilities of forming precipitates can be seen clearly in soap solution whereas detergent forms no precipitates at all. The experiment is completed and successfully conducted. Introduction Detergents and soaps are used for cleaning because pure water
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Montessori way of teaching mathematic is truly a wonderful and interesting way to learn the concepts of mathematics. Mathematic is very important for our daily life. Mathematic relates to numbers and numbers are around us all the time‚ so it is very important to introduce numbers to the child at very early age‚ but before you introduce numbers it is important to lay a strong foundation of practical life activities and sensorial training to the child. Practical life activities allows the child to
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Camias Health is one of the main concerns of the country nowadays. Food poisoning and disease caused by these pathogenic bacteria are common. Due to the fact that bacteria can be found anywhere‚ and since commercialized antibacterial agents are synthetic‚ costly and can post health hazards. Making an effective and cheap antibacterial agents Can be utilized which derive from environment friendly materials and can easily found in the community. The potential of Averrhoa Bilimbi also known as Kamias
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1. Define the term chemotherapy. Use of chemicals for therapeutic effect is called chemotherapy. 2. Why do we need to classify drugs in different ways ? It is useful for doctors because it provides them the whole range of drugs available for the treatment of a particular type of problem. 3. How are drugs classified? (a) On the basis of pharmacological effect For example‚ analgesics have pain killing effect. (b) On the basis of drug action It is based
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SOAP & DETERGENT I) Definition of Soap o Soap are sodium or potassium salts of long-chain carboxylic acids o The general formula of a soap : RCOO Na / RCOO K • R is an alkyl group which contain 12 to 18 carbon atoms. II) The history of soap manufacturing. ▪ Solvay Process - Carbon dioxide ( obtained from heating CaCo ) is passed into concentrated NaCl solution which is saturated with ammonia . NaCl +NH +H
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COMPOUNDS: SOAPS AND DETERGENTS Experiment # 8 I. Objectives To observe the general properties of carboxylic acids. To compare the acidity of carboxylic acids and phenols. To verify experimentally the interconversion among acyl compounds. To become familiar with the physical and chemical properties of fats and oils and to understand the chemical basis of these properties. To learn how to prepare soap. To compare the properties of soap and synthetic detergents. II. Data and Observation
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Toothpaste 82.2 44.9 55.6 Detergents Formulation Synthetic Detergents are formulations comprising surfactants like alkyl benzene sulphonate‚ fatty acid soaps‚ fatty alcohol‚ ester and similar compounds‚ bleaching‚ optical brighteners‚ phosphates and anti-redeposition agents‚ fabric softeners and certain other chemicals to improve the detergent action. Classification Classified either based on the charge on the organic part of the detergent (like anionic‚ cationic or non-ionic)
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Laundry It is a place where the washing & finishing of clothes & other washable articles are carried out. There are two types of laundry. Off premises /Contracted laundries 1. Caters to hotels on contract basis 2. No heavy investment 3.Quality may not be maintained as per the brand standard of the hotel 4.Timings are fixed for delivering the laundered linen 5.A good amount of par stock has to be kept for emergency purpose. On Premises/ In house laundry 1. it is present in the hotel
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prepared by man. The materials that we get from nature are called natural materials. Wood‚ silk‚ cotton‚ leather‚ rubber‚ coal‚ etc. are natural materials. However‚ some materials that we use are manmade. Synthetic textiles like terylene and nylon‚ cement‚ glass‚ plastics‚ dyes‚ soap‚ detergents‚ fertilizers‚ insecticides and pesticides are some man-made materials which are commonly used. In this lesson‚ you will learn about the ways in which various materials are used in making common household items
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