Tony was appointed as the HR manager for tangerine center Sdn Bhd. A beauty center that catered solely to ladies in the town of Kuantan .The beauty center was doing well and the number of clientele was rapidly escalating. The growth was expected to continue and plans were being made to expand the center. This expansion concerned Tony. In the previous year itself‚ Tony had struggled to recruit enough qualified job applicants. He knew that the new expansion would intensify the problem. At that time
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Aim: 1. Find out which substances are essential for rusting to occur. 2. Find out how the rusting process can be inhibited and how it can be promoted. Hypothesis: I predict that air (oxygen) and water are necessary for iron to rust. The nail in water with air will rust while the nails in dry air and in boiled water with no air will not. I also predict that galvanizing the nail with zinc and greasing the nail and painting the nail and electroplating the nail will inhibit rusting. I also predict
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Centre Number Surname Other Names Candidate Signature Candidate Number For Examiner’s Use Examiner’s Initials Question Mark General Certificate of Secondary Education Higher Tier January 2012 1 2 3 4 5 TOTAL Science B Unit Chemistry C1 CHY1H Chemistry Written Paper Unit Chemistry C1 H Thursday 26 January 2012 You will need no other materials. You may use a calculator. 9.00 am to 9.45 am Time allowed 45 minutes Instructions Use black ink or black
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the surroundings. The energy is usually transferred as heat energy‚ causing the reaction mixture and its surroundings to get colder. The temperature decrease can also be detected using a thermometer. Some examples of endothermic reactions are: electrolysis In this experiment the calcium chloride will be my independent variable as I will start by using 1 gram and go up to 5. The dependant
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Chemistry Issues Investigation Issues Question: “Should the chlorination of water be banned in Australia?" Introduction Chlorine is a halogen abundant in the natural environment‚ typically found in the form of ionic chloride compounds. Once isolated into its elemental form‚ chlorine has a high oxidising potential‚ resulting in its use as a water disinfectant globally. Although water chlorination has significantly improved public health‚ recent studies suggest a correlation between the consumption
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Chem. 6C Midterm 1 Version A October 19‚ 2007 Name__________________________________________ Student Number _________________________________ All work must be shown on the exam for partial credit. Points will be taken off for incorrect or no units. Non graphing calculators and one hand written 3” × 5” note card are allowed. Problem 1 (of 15 possible) Problem 2 (of 26 possible) Problem 3 (of 20 possible) Problem 4 (of 15 possible) Problem 5 (of 6 possible) Problem 6
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Hypothesis If we test the amount of electrolytes in an energy drink and orange juice‚ then orange juice will have more electrolytes than an energy drink. Variables Independent Variable- the two different drinks‚ orange juice and an energy drink Dependent Variable- the amount of electrolytes in each to determine whether or not one has more than another Controlled Variable- same multimeter‚ same brand and type of alligator clips leads‚ same gauge‚ length‚ and brand of copper wiring‚ same brand
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CONFIDENTIAL AS/SEP 2011/CHM270 #t| UNIVERSITI TEKNOLOGI MARA FINAL EXAMINATION COURSE COURSE CODE EXAMINATION TIME PHYSICAL CHEMISTRY CHM270 SEPTEMBER 2011 2 HOURS INSTRUCTIONS TO CANDIDATES 1. This question paper consists of two (2) parts: PART A (10 Questions) PART B (5 Questions) 2. Answer ALL questions from all two (2) parts: i) Answer PART A in the Objective Answer Sheet. ii) Answer PART B in the Answer Booklet. Start each answer on a new page. Do not bring any materials into
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January 16‚ 2009 Global Oil Crisis – Word Count: 1‚823 Global Oil Crisis: The depleting oil supply and the need for alternatives Oil is the single most important energy source that drives our economy and makes civilized life as we know it today possible. It is so vital to our life that if the earth’s oil supply were to run out within the next 20 years‚ it would completely cripple the United States and its economy. We use oil and other fossil fuels for transportation (of goods‚
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ical Chemistry 1.which of the following pairs of compound will react? iC3H6+Br2 iiC3H6+Cl2 in sunlight iiiC3H6+H2O in the presence of sulphuric acid ivC3H6+H2O in the presence of concentrated sulphuric acid a.i b.i‚iii c.i‚ii‚iii d.all 2.liqiud y reacts with magnesium metal to produce a gas that burns with a pop sound when a flaming wooden splint is placed near it.liqiud y is most likely a compound that has the formula a.c2h5oh b.hcooh c.h3cooch3 d.c6h14 3.a compound p has the
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