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Seaford Senior High School, Seaford

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Seaford, New York

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Seaford Senior High School, Seaford Documents (32)

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6 pages
- may2008ppaper
- Seaford Senior High School, Seaford
- past paper
- CHEMISTRY 101 - Spring 2017
- -2- SECTIONS I and II TECHNICAL AND GENERAL PROFICIENCIES ANSWER ALL QUESTIONS. SECTION I 30 marks 1. Use the gures A to D to answer the questions below. Figure A Figure B Figure C Figure D (a) Write the terms Figure A to D on your paper. Then classify
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may2008ppaper
1 pages
- Csec Chemistry 2012 (June) 13.jpg
- Seaford Senior High School, Seaford
- past paper
- CHEMISTRY 101 - Spring 2017
- -17- 6. (a) Scientists believe that without water all life would cease to exist. Outline THREE properties of water and relate them to its function in maintaining life on earth. . (6 marks) (b) (i) State the meaning of the term hard water. (1 mark) (ii) De
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Csec Chemistry 2012 (June) 13.jpg
3 pages
- MC20013
- Seaford Senior High School, Seaford
- past paper
- CHEMISTRY 101 - Spring 2017
- which of the following sequences of lnsuuetiunsdnelncmkulLlnilperfmn? (A) Decodci. executes and fetches (B) FCDCIIES, decades and enecutes (C) Executes. decades and fetches (D) Fetches. executes and decodes 1mm] refer: mthe allorwingdiamm which shows a fo
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MC20013
1 pages
- Csec Chemistry 2011 (June) 13.jpg
- Seaford Senior High School, Seaford
- past paper
- CHEMISTRY 101 - Spring 2017
- -16- arried out Experiments l and [1 below in order to determine the relative (a) Some students c X, which has a valency of 2. reactivity of iron, copper and an unknown Metal Experimentl :A piece of Metal X was placed into a solution of copperl) sulphat
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Csec Chemistry 2011 (June) 13.jpg
1 pages
- Csec Chemistry 2012 (June) 7.jpg
- Seaford Senior High School, Seaford
- past paper
- CHEMISTRY 101 - Spring 2017
- 2. Figure 3 shows a simplied diagram of the apparatus used for the electrolysis of aqueous copper(II) sulphate, CuSO4, using platinum electrodes. (b) (d) Platinum I ' Platinum anode cathode Figure 3. Electrolysis of CuSO4(aq) Deduce the oxidation
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Csec Chemistry 2012 (June) 7.jpg
1 pages
- Csec Chemistry 2010 (June) 5.jpg
- Seaford Senior High School, Seaford
- past paper
- CHEMISTRY 101 - Spring 2017
- (iv) Compare the plots obtained from Jonathans and Karens results in terms of the slope of the graph and the volume of oxygen produced. Account for the differences between Jonathans and Karens results. (4 marks) v Usin Karens ra h,
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Csec Chemistry 2010 (June) 5.jpg
1 pages
- Csec Chemistry 2010 (June) 13.jpg
- Seaford Senior High School, Seaford
- past paper
- CHEMISTRY 101 - Spring 2017
- -15- 5. The raw materials necessary for the extraction of iron from its ore are an iron ore, coke and limestone. (21) Write the chemical formula for ONE ore of iron. ( 1 mark) (h) Outline the steps involved in the extraction of iron from its ore. Write a
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Csec Chemistry 2010 (June) 13.jpg
1 pages
- Csec Chemistry 2012 (June) 11.jpg
- Seaford Senior High School, Seaford
- past paper
- CHEMISTRY 101 - Spring 2017
- Answer ALL questions in this section. Write your answers in the space provided after EACH question in this booklet. 4. (a) Radioisotopes are very useful in everyday life. For example, Uranium - 235 is used in energy generation because it produces large am
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Csec Chemistry 2012 (June) 11.jpg
1 pages
- Csec Chemistry 2012 (June) 12.jpg
- Seaford Senior High School, Seaford
- past paper
- CHEMISTRY 101 - Spring 2017
- - my," -\.w-pr._. -14- 5. Most metals undergo corrosion. In the case of aluminium, this can be benecial to the metal while in the case of iron, it may be harmful and quite costly. (a) -. State the property of metals that is responsible for corrosion and d
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Csec Chemistry 2012 (June) 12.jpg
1 pages
- Csec Chemistry 2010 (June) 12.jpg
- Seaford Senior High School, Seaford
- past paper
- CHEMISTRY 101 - Spring 2017
- -12- SECTION B Answer ALL questions in this sectiOn. Write your answers in the spaces provided at the end of EACH question in this booklet. 4- (a) (i) (ii) (iii) (13) (i) (ii) (iii) 01212020fF 2010 A pink solution of aqueous acidied potassium manganate(VI
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Csec Chemistry 2010 (June) 12.jpg
1 pages
- Csec Chemistry 2012 (June) 2.jpg
- Seaford Senior High School, Seaford
- past paper
- CHEMISTRY 101 - Spring 2017
- / -2- SECTION A Answer ALL questions in this section. Write your answers in the spaces provided in this booklet. Do NOT spend more than 30 minutes on Question 1. 1. (a) A student conducts an experiment to investigate the effect of particle size on the rat
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1 pages
- Csec Chemistry 2010 (June) 8 (1).jpg
- Seaford Senior High School, Seaford
- past paper
- CHEMISTRY 101 - Spring 2017
- -3- 2. (a) i The following statements were taken from a students notebook. These statements are INCORRECT. In each case, you should state why the statement is incorrect and give the correct statement. (1) Sodium, magnesium, aluminium, silicon and chlori
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Csec Chemistry 2010 (June) 8 (1).jpg
1 pages
- Csec Chemistry 2011 (June) 5.jpg
- Seaford Senior High School, Seaford
- past paper
- CHEMISTRY 101 - Spring 2017
- (viii) Calculate the quantity of electricity that passed through the copper sulphate solution when 0.2 A of current owed for 20 minutes. (Quantity of electricity : current >< time; 1 F = 96 500 C) qr HQ , ( 2 marks) \ 9/. (ix) Calculate the number of mo
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Csec Chemistry 2011 (June) 5.jpg
13 pages
- Ppapermay2012
- Seaford Senior High School, Seaford
- past paper
- CHEMISTRY 101 - Spring 2017
- % TEST CODE 01229020 FORM TP 2012087 MAY/JUNE 2012 CARIBBEAN EXAMINATIONS COUNCIL SECONDARY EDUCATION CERTIFICATE EXAMINATION INFORMATION TECHNOLOGY Paper 02 General Prociency READ THE FOLLOWING INSTRUCTIONS CAREFULLY. 1, This paper consists of THREE
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Ppapermay2012
1 pages
- Csec Chemistry 2010 (June) 14.jpg
- Seaford Senior High School, Seaford
- past paper
- CHEMISTRY 101 - Spring 2017
- _ 18 _ 6. (a) Almost all animals eat their food raw, whereas humans tend to cook their food. Give TWO reasons why humans may need to cook their food. (2 marks) (b) Egg white is a transparent liquid in its natural state. (i) What does egg white look like w
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Csec Chemistry 2010 (June) 14.jpg
1 pages
- Csec Chemistry 2011 (June) 9 (1).jpg
- Seaford Senior High School, Seaford
- past paper
- CHEMISTRY 101 - Spring 2017
- 110. (0) Draw the bonding diagram to Show how magnesium combines with chlorine to form magnesium chloride. '-: - - " - * ' ' ' " ( 2 marks) hr (1) Based on the use and purpose of solid air fresheners, would you classify them as having simple molecular, gi
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Csec Chemistry 2011 (June) 9 (1).jpg
1 pages
- Csec Chemistry 2012 (June) 9.jpg
- Seaford Senior High School, Seaford
- past paper
- CHEMISTRY 101 - Spring 2017
- _ 9 _ 3. (a) The fully displayed structures of two hydrocarbons, A and B, are shown below. H H H H H H H | I l | - | | I H(ljCZCH HT(II(Ij_?H H H H H H A B (i) Write the names of the homologous series to which A and B belong. Homologous series for A: Homo
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Csec Chemistry 2012 (June) 9.jpg
1 pages
- Csec Chemistry 2012 (June) 10.jpg
- Seaford Senior High School, Seaford
- past paper
- CHEMISTRY 101 - Spring 2017
- l/ -10- (b) The questions below are based on the following reaction scheme. /G / AlcoholD -~ H3C C -~-ch c (i) (ii) (iii) (iV) 01212020/F 2012 chrzo'l \ 0H 0 CH3 )3) J State the role ofKQCrZO7 in the conversion of D to E. (1 mark) Write a balanced equat
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Csec Chemistry 2012 (June) 10.jpg
1 pages
- TheoryresitJan2010
- Seaford Senior High School, Seaford
- past paper
- CHEMISTRY 101 - Spring 2017
- 14. (0) Identify the following: (i) Avariable (1 mark ) (ii) A conditional statement (1 mark ) (iii) A data type (1 mark ) (d) Explain the purpose of the program segment. (3 marks) (6) State the result when EACH of the following pairs of numbers is used i
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TheoryresitJan2010
1 pages
- theoryJune09
- Seaford Senior High School, Seaford
- past paper
- CHEMISTRY 101 - Spring 2017
- -10- 16. The following questions relate to Database Management: The owner of a small computer store maintains a stock card for EACH item in the store. A sample of the stock card is shown below: (a) (b) (C) (d) (6) Phone Model Description Quantity Price
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theoryJune09
1 pages
- Csec Chemistry 2010 (June) 7 (1).jpg
- Seaford Senior High School, Seaford
- past paper
- CHEMISTRY 101 - Spring 2017
- (c) You are required to plan and design an experiment to compare the effects of the catalysts manganese(IV) oxide and catalase on the rate of decomposition of hydrogen peroxide. (i) Draw a CLEARLY labelled diagram ofa suitable experimental arrangement fo
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Csec Chemistry 2010 (June) 7 (1).jpg
1 pages
- Csec Chemistry 2010 (June) 11.jpg
- Seaford Senior High School, Seaford
- past paper
- CHEMISTRY 101 - Spring 2017
- 1-11 (b) Ethanol reacts with dierent reagents to form products with the functional groups shown in Table 3. (i) What is meant by a functional group? (I mark) (ii) Complete Table 3 by a) identifying the reagents or reaction conditions b) drawing the fu
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Csec Chemistry 2010 (June) 11.jpg
1 pages
- Csec Chemistry 2011 (June) 6.jpg
- Seaford Senior High School, Seaford
- past paper
- CHEMISTRY 101 - Spring 2017
- (xii) The circuit used in this experiment was modied by replacing the copper electrodes with graphite electrodes. State ONE difference in the reaction at the J anode when graphite electrodes are used. : Difference at the anode (1 mark) (b) Complete Ta
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Csec Chemistry 2011 (June) 6.jpg
1 pages
- Csec Chemistry 2010 (June) 6 (1).jpg
- Seaford Senior High School, Seaford
- past paper
- CHEMISTRY 101 - Spring 2017
- -6- (b). Alstudent eonduct'sia'niu1nber oftests (align aqueous solution of compound X. Some of the inferences and observations made are recorded in Table 2. Complete Table 2 by lling in the missing observations and inferences. TABLE 2: TEST'S ON COMPOUND
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Csec Chemistry 2010 (June) 6 (1).jpg
1 pages
- Csec Chemistry 2010 (June) 4 (1).jpg
- Seaford Senior High School, Seaford
- past paper
- CHEMISTRY 101 - Spring 2017
- 4* Figure 2 is a diagram of the enthalpy change for an exothermic reaction showing the effect of a catalyst on the reaction pathway. Progress of reaction Figure 2. Enthalpy change for an exothermic reaction (i) Identify the parts labelled A, B, C, D on
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Csec Chemistry 2010 (June) 4 (1).jpg
1 pages
- Csec Chemistry 2012 (June) 1.jpg
- Seaford Senior High School, Seaford
- past paper
- CHEMISTRY 101 - Spring 2017
- % TEST CODE 01212020 FORM TP 2012057 MAY/TUNE 2012 CARIBBEAN EXAMINATIONS - COUNCIL SECONDARY EDUCATION CERTIFICATE EXAMINATION CHEMISTRY Paper 02 ~ General Prociency 2 hours and 30 minutes READ THE FOLLOWING INSTRUCTIONS CAREFULLY. This paper consists of
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Csec Chemistry 2012 (June) 1.jpg
1 pages
- Csec Chemistry 2010 (June) 10.jpg
- Seaford Senior High School, Seaford
- past paper
- CHEMISTRY 101 - Spring 2017
- -10. 3. But-l-ene (1+butene) and but-Z-ene (2~butene) are-structural isomers of molecular formula C4Hs. (a) (1) Dene structural isomerism. ( 1 mark) (ii) Draw fullx displayed structures ofbut-l-ene and butZ-ene. "'R But-Il-ene But-2~ene (2 marks) (iii) Dr
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Csec Chemistry 2010 (June) 10.jpg
1 pages
- Csec Chemistry 2011 (June) 10.jpg
- Seaford Senior High School, Seaford
- past paper
- CHEMISTRY 101 - Spring 2017
- -11- 3. (a) Anaerobic fermentation occurs in the production of wines using yeast. (i) Dene anaerobic fermentation. Denition: ( 2 marks) (ii) Give ONE reason why high temperatures are NOT suitable for anaerobic fermentation. Reason: at _ . (1 mark)
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Csec Chemistry 2011 (June) 10.jpg
1 pages
- Csec Chemistry 2012 (June) 8.jpg
- Seaford Senior High School, Seaford
- past paper
- CHEMISTRY 101 - Spring 2017
- (e) State TWO changes that occur in the electrolyte. (2 marks) (f) Determine the mass of copper (in grams) which will be deposited at the cathode when 5A of current passes through the electrolytic cell for half an hour. [R.A.M. Cu = 64; 1 Faraday = 96 5
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Csec Chemistry 2012 (June) 8.jpg
1 pages
- Csec Chemistry 2011 (June) 12.jpg
- Seaford Senior High School, Seaford
- past paper
- CHEMISTRY 101 - Spring 2017
- ,_13_ SECTION B Answer ALL questions in this section. Write your answers in the space provided after EACH question in this answer booklet. 4. (a) ' (i) Potassium carbonate (KZCOE) and zinc metal (Zn) are both treated with an excess of dilute nitric acid i
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Csec Chemistry 2011 (June) 12.jpg

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