Sample Paper – 2012 Class – X Subject –Chemistry Chemical Equations and reactions Very Short Answer (1 marks each) Write the name and formula of compounds forms between a. Potassium and iodine ion .b.Sodium and sulphide ions . c. Aluminums and chloride ions 2. Why does milk sour when kept for a long time/ 3. What happen when hydrogen combine with oxygen in presence of electric current/ 4. Define electrolysis. 5. What is decomposition reaction? Give an
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young people should follow traditions of the society‚ while other people think that young people should be free to behave as individuals. Discuss both views and give your opinion. in contemporary society‚ the adolescents are drawing even more attentions. people hold contrasting views over wether young people should follow traditions of society or free to behave as individual. ( there is no consensus on…) in my opinion，each view has its own merits. young people should follow traditions
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senior credit representative of Joyce Chemical Company. My task in this case is to look into Eliot Manufacturing and to see if we should continue or terminate our relationship with them. If we were to continue‚ the choices would be to either have them in a program to reduce their accounts payable or to tolerate gradual increases in credit. After doing an analysis on Mr. Pound and the Eliot Manufacturing Company‚ I would recommend that Joyce Chemical Company should terminate their relationship with
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How should judges be appointed? Judges in the UK are often upper class‚ white men who have become judges through a good higher education and then a further training in judiciary. Currently‚ there are no black high court judges however the black population in prison is for ever growing. For the purpose of this essay‚ I shall be arguing that judges should be appointed based mostly on life experience and relativity. Of course a standard law degree and a solid understanding of the law is necessary but
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Observations of Chemical and Physical Changes Derrick Davis Lab partner: None Location: My house Date Performed 25 Feb 15; 1600 CHE111-CO2 Photo 1 (Photo of me properly wearing safety goggles holding the student information card) Abstract: In chemistry it is important to understand the difference between physical and chemical changes. The objective of this experiment was to perform tests using heat or chemical mediators and observe the results for any physical or chemical changes. Various
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The debate whether or not marijuana should be decriminalized throughout America has been a trending topic for decades now. Marijuana should be decriminalized because it would save the government the time and effort of trying to stop this nation’s so-called war on drugs‚ which evidently has been a failure. The first step to legalization of marijuana is to decriminalize it. Marijuana is undoubtedly the most popular in the United States‚ the quantity has risen dramatically‚ the price is cheaper‚ and
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ZYCHOL CHEMICAL CORPORATION: ------------------------------------------------- Bob Richard‚ the production manager of Zychol Chemicals‚ in Houston‚ Texas‚ is preparing his quarterly report‚ which is to include a productivity analysis for his department. One of the inputs is production data prepared by Sharoaton Walford‚ his operation analyst. The report which she gave him this morning showed the following; ------------------------------------------------- ZYCHOL CHEMICAL CORPORATION -------------------------------------------------
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Chemical Bonding and Structure In his essay I will be discussing the scientific background and explanation of chemical bonding and structure‚ I will also be describing the method of injection molding and its benefits and limitations and how it is superior to the previous methods of making plastic. Finally I will also list the implication effect of plastic and its effect (economically and environmentally) A chemical bond is the result of a lure (attraction) between atoms or ions
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Abstract: The objective of Experiment 1 was to observe some chemical changes. While observing the chemical changes in elements I also experimented with household cleaners to see how much chemical properties relate to our daily lives. Chemical changes occur all around me and I go without noticing them all the time without a second thought. This experiment opens my eyes to different chemical reactions occurring around me. This experiment also shows the importance of dilution. If I did not dilute something
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SWOT ANALYSIS Wallingford RFC (WRFC) The analyses has come from the collection of primary research data collected by researchers from Group B‚ Team Wallingford‚ it was conducted through a semi structured interview with Club secretary the secretary to the Wallingford Rugby Football Club. Using qualitative research methods from a structured designed questionnaire that was designed by Club secretary and additional questions that were designed and structured by Group B‚ Team Wallingford‚ a team
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