EDUCATION MASALA SECONDARY SCHOOL BOARD MOCK EXAMINATION 2014 SCIENCE 5124/3 PAPER 3 (CHEMISTRY) 1hour 15minutes Additional materials: Monday 30th July 2014. Answer paper INSTRUCTIONS TO CANDIDATES Write your name‚ centre number and candidate number at the top of this page all separate Attempt all questions in SECTION A and only TWO questions in SECTION B SECTION A (45 marks) Answer all question in this section in the spaces
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(Name) (Course Name) (Instructors Name) (Date) Summary of chemistry lab report Introduction The two factors which affect the yield of products in a chemical reaction is the amount of starting materials (reactants) and the percent yield of the reaction. Many experimental conditions for example temperature‚ and pressure can be adjusted to increase yield of the desired product‚ in chemical reaction‚ but because chemicals react according to fixed mole ratios( stoichometrically)‚ the only limited
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Jan Berkowitz – A Budding Entrepreneur Jan Berkowitz is a young entrepreneur‚ who is aspiring to become the best in the world of construction. He has recently opened a concrete company in his Hometown Detroit and is very happy with its success of three months. He is looking forward to expanding it‚ and want to add more people‚ who are passionate about the work. Since childhood‚ he was passionate about building big things from small pieces‚ and it was also an astonishing fact for him. He took inspiration
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The CSSA scheme which was introduced in July 1993 is designed to offer a safety net for people who are not able to support themselves for different reason. However‚ there was an alleged statement that “CSSA feed the lazy” and a huge number of Hong Kong citizen label CSSA recipients nowadays. Therefore‚ I would like to apply the labeling perspective to the alleged abuse of CSSA via review the labeling perspective first and then use some cases together with some statistical data to illustrate the theory
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Ase Ruth Alozie Chemistry Take home test May 4‚ 2013 In a laboratory experiment‚ a student reacted 2.8 grams of Fe (s) (steel wool) in excess CuSO4 (aq)‚ according to the following balanced equation: Fe(s) + CuSO4 (aq) -> FeSO4 + Cu(S). When the Fe(s) was completely consumed‚ the
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Maria Andrea Roa Jan Term 2013 in Milan I believe that being part of this program would benefits me in so many ways‚ not just only in a personal way but in an intellectual way. I grew up knowing of my dad and his family but I have never actually met him because my mom raised me as a single mom. One of the things that has always been part of that is knowing that he is Italian and I carry that in my blood but know nothing of it and the culture. Going to Milan would be a chance to explore‚ learn
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New Incoterms 2010 – a summary of the principal changes to Incoterms 2000 Introduction On 1 January 2011‚ the ICC’s Incoterms 2010 come into force. These are the eighth revision of the Incoterm Rules‚ with the last revision dating back to 2000. The new Rules have been revised to take into account developments in international trade over the past ten years as the volume and complexity of global sales has increased‚ to address security issues arising in recent times and to provide for the ongoing
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Its holds or constant due to quantity of unit of product that must be foregone to obtain the unit of another product is same. [3 marks] [TOTAL: 8 MARKS] Question 2 a. “As the price of oranges rises‚ the demand for oranges falls‚ ceteris paribus.” Explain. [3 marks] Answer: Ceteris paribus – all others thing equal The effect of one of economic variable on another‚ if all other variables remain
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Unit 1 – Lesson 1 Chemistry Key Questions 1. Element Standard Notation # Of Electrons # Of Protons # Of Neutrons Sodium 23 11 Na 11 11 12 Chromium 24 Ca 26 26 27 ? Phosphorus 32 P 15 15 16 2. Fireworks; Which metals burn to produce these colours? Red – Lithium (Sr) Blue – Cesium (Cs) Pink – Potassium (K) Yellow/Green – Copper (Cu) Orange – Carbon (Ca) 3. Let’s say that the three bottles contain Fe(NO3)3‚ BaCl‚ and AgNO3. These are Iron (III) Nitrate‚ Barium Chloride
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WEEK TOPIC/CONTENT OBJECTIVES: PSBAT METHOD REFERENCE 1 Introduction to history Define history as well as explain the various methods used to learn about the past. They should also distinguish the biblical from the scientific theories about the origin of the earth. Teacher explanation Q & A‚ theory notes. Hantoblo : Junior secondary history 2 The beginning of life Trace the beginning of life to some 200 million years ago when some small water creatures invisible to the human eye evolved into Amphibians
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