SPM(U) 2006 : http://mathsmozac.blogspot.com Section A [52 marks] Answer all questions in this section. 1 The Venn diagram in the answer space shows sets P‚ Q and R such that the universal set‚ ξ = P ∪ Q ∪ R . On the diagram in the answer space‚ shade (a) the set P ∪ R ‚ (b) the set (P ∩ R ) ∪ Q ’ . [3 marks] Answer: (a) P Q R (b) P R Q 2 Diagram 1 shows a solid cuboid. A cone is removed from this solid. 12 cm 10 cm 15 cm DIAGRAM 1 The diameter of the base of the cone is 7 cm
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AP World History Midterm Review History The study of past events and changes in the development‚ transmission‚ and transformation of cultural practices. Earliest Farming Location Fertile crescent Swidden Agriculture a place temporarily cleared for agriculture by cutting back and burning off previous growth Catal Huyuk early urban culture based on sedentary agriculture Mesopotamia "between the rivers"; civilizations that arose between the Tigris-Euphrates river valleys Hyksos a member of an ancient
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Traditions and Encounters‚ AP Edition (Bentley)‚ 5th Edition Chapter 24: New Worlds: The Americas and Oceania Chapter Outline I. Colliding worlds A. The Spanish Caribbean 1. Indigenous peoples were the Taino a. Lived in small villages under authority of chiefs b. Showed little resistance to European visitors 2. Columbus built the fort of Santo Domingo‚ capital of the Spanish Caribbean a. Taino conscripted to mine gold b. Encomiendas: land grants to Spanish settlers with total control over local people
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AP World History - Stearns Chapter 3 – Classical Civilization: India I. Introduction – difference vs. China a. China focus on politics/related philosophies vs. India focus on religion/social structure b. Less cohesive political structure c. Both were agricultural societies‚ localist flavor‚ male ownership‚ patriarchal‚ trade II. The Framework for Indian History: Geography and a Formative Period a. Closer to other civilizations 1. Influenced by Middle East/Mediterranean 2. Persian
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Chapter 4 Outline I. Ancient Iran Iran’s mineral resources copper‚ tin‚ iron‚ gold‚ and silver were exploited on a limited scale in antiquity Mountain slopes‚ more heavily wooded. A. Geography and Resources Iran is by the Zagros Mountains to the west‚ the Caucasus Mountains and Caspian Sea to the northwest and north‚ the mountains of Afghanistan and the desert of Baluchistan to the east and southeast‚ and the Persian Gulf to the southwest. Humans trying to survive in these harsh lands had
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Radha Shukla Determination of the Empirical Formula of Silver Oxide Will/Radha College Chemistry 9/12 – 9/13 9/17 The purpose of this lab is to use one of the ways to identify different compounds and be able to tell them apart. Based off of experimentation‚ the empirical formula of the given silver oxide will be determined. Materials: Chemicals: Silver Oxide‚ 0.5g Equipment: Balance‚ 0.001-g or 0.0001-g precision Bunsen Burner Clay pipestem triangle Crucible and cubicle lid‚ 15-
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Objects that are made from silver or coated with it‚ by time‚ start to tarnish. Tarnish is s chemical process that leads to dullness of color of the surface of the metals such as silver‚ gold‚ aluminum‚ iron‚ brass and copper. This reaction mostly happens because of the air pollution and/or moisture. To remove the tarnish from the metals‚ the silver objects must undergo a chemical reaction. Thus this chemical reaction would make the silver object look shiner. The chemical reaction to clean up the
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Silver Mirror Experiment Background: This experiment was first conducted by Bernhard Tollens‚ it is used to determine whether a carbonyl containing compound is an aldehyde or a ketone. An aldehyde is a compound containing a formyl group (CHO).The experiment involves diamminesilver complex and a chemical reagent (also known as “Tollens’ reagent”) which in this case is glucose. In a successful experiment a reflective silver metal should precipitate‚ with characteristics identical to that of a mirror’
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Arsh Shah Mrs. Murphy Honors English 1 March 24‚ 2011 Analytic Essay on “Silver” From similes to rhyme scheme Walter de la Mare shows what a beautiful evening is really like in this poem.The lyrical poem‚ “Silver”‚ by Walter de la Mare‚ enhances the imagery by repeating the word ‘silver’ to illustrate how the moon shines on everything by using similes and sensory language to describe a beautiful serene evening. Reading this poem the author will draw a great picture of a serene and calm evening
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Analysis of Silver in an Alloy Quinn Kelly Kevin Hoover 9/12/12 PURPOSE The purpose of this lab was to analyze the amount of silver in an alloy using quantitative and qualitative observations. PROCEDURE 1. Prepare the Funnel and Filter Paper • Place the filter paper in the Buchner funnel‚ turn the water on and wet the filter paper with the acid wash. 2. Find the Mass
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