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PRESS RELEASE RECRUITMENT EXERCISE: FOR IMMEDIATE RELEASE LIST OF APPLICANTS QUALIFIED FOR APTITUDE TEST The Ghana Immigration Service wishes to inform all selected applicants who.... https://t.co/MIrQstdb2O Pls, read more from the attached. https://t.co/Ea3vydKX3C @beastexams

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BECE Students have roughly just 2weeks. Take your studies serious I will support you with dito dito questions and answers ✅ @CARTERBOSS

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BEST BRAIN ICT MOCK Question 2 Q2a) Steps involved in saving a newly created document B) steps to save a formatted document Ci) 2 Differences between a workbook and a worksheet in) Differences between Ram and Rom D) Explain the following terms i) Data theft in) system crash Question 3 Q3a) Benefits associated with the use of information and communications technology in teaching and learning B)3 uses of the internet C) 3 benefits of copyright protection D) Explain the following terms I)Range il) Graph N° Onestion4 4a) steps to start Microsoft excel from the start menu b) using the autosum function of Microsoft excel for addition operation egram B) Basic function of the following I) Back button in) Adress bar C) 3 Differences between selecting and highlighting in a word processing application D) Right order of creating a new workbook whiles in excel program Question 5 A) Important features of storage media B) ways to protect storage media C) Examples of word processors i) examples of operating system D) Bad habits associated with typing @beastexams

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- PARTS OF THE COMPUTER -BASIC INPUT AND OUTPUT DEVICE -BASIC STORAGE MEDIA -SWITCHONG ON AND OFF THE COMPUTER -GRAPHICAL USER INTERFACE -FILE AND FOLDER MANAGEMENT -INFORMATION PROCESSING CYCLE -HEALTH AND SAFETY IN USING ICT TOOLS -TOOLBAR -SEARCH ENGINE -PRINTING A WORD -INTRODUCTION TO SPREAD SHEET APPLICATION -USING THE INTERNET TO COMMUNICATE -FORMATTING TEXT IN WORD PROCESSING -EDITING A WORD PROCESSING DOCUMENTS @BEASTEXAMS

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CHEMISTRY TRIAL QUESTIONS Identify the solid remaining when each of the following is heated. (a) lithium trioxonitrate (V); (b) potassium trioxonitrate (V); (c) calcium trioxonitrate (V); [3 marks] (a) When calcium oxide and coke are heated in a electric furnace, the products are carbon (ii) oxide and calcium carbide (CaC2), write the equation for this reaction. [2 marks] (b) Addition of water to calcium carbide leads to the formation of calcium hydroxide and ethyne. Write the equation for the production of ethyne. [2 marks] Calculate the percentage by mass of silicon tetrachloride. [2 marks] Ammonia, NH3, and phosphine, Ph3, are the hydrides of the first two elements in group 5. (a) Draw a dot and cross diagram for the ammonia molecule. [2 marks] (b) Sketch and explain the shape of the ammonia molecule. [3 marks] The first ionization energy of chlorine is +1260KJmol-1. (a) Define the term first ionization energy. [2 marks] (b) State and explain the general trend in the values of the first ionization energy for the elements across the period, sodium to argon in the periodic table.[3 marks] Compound A consisting of carbon and hydrogen only. The compound was found to contain 80% carbon by mass. (a) Calculate the empirical formula of compound A using the data above. [3 marks] (b) The relative molecular mass of compound A was found to be 30. Use this information to deduce the molecular formula of compound A. [H = 1.00 C = 12.00] [3 marks] State two factors other than a change in temperature or the use of a catalyst that influence the rate of a chemical reaction. [2 marks SECTION B (a) Two elements represented by the letters Q and R have atomic numbers 9 and 12 respectively. (i) Write the election configuration of R. (ii) To what group does Q belong in the periodic table. (iii) Write the formula of the compound formed when Q combines with R. (iv) Explain briefly, why Q is a good oxidizing agent. (v) State whether R would be expected to form acidic or basic oxide. [ 25 marks] (b) (i) State two assumptions of the kinetic theory of gases. (ii) When some solids are heated, they change directly into the gaseous state. What name is given to this phenomenon? (iii) List two substances which exhibit the phenomenon mentioned in (ii). (iv) Write an expression to show the mathematical relationship between the rate of diffusion of a gas and its vapour. [25 marks] An aqueous solution has a pH of 4.0. (a) (i) What is the hydrogen ion concentration of the solution? (ii) What effect will it have on litmus paper? (iii) Which of the following salt solutions would have the same effect on litmus? Give a reason for your answer. NH4Cl(aq); NaCl(aq); CH3(OONa(aq). (b) (i) Differentiate between a fine chemical and a heavy chemical. (ii) Name two sources of air pollution. (iii) Suggest one way of reducing air pollution in cities. [ 25 marks] (a) (i) Explain briefly the fermentation process. (ii) Write a balanced equation for the fermentation of glucose. (iii) What substance must be added to glucose solution to ferment it( Explain briefly why tightly corked glass filled to the brim with palm wine shatters on standing. (b) State one industrial application of each of the following methods of separation: (i) crystallization; (ii) fractional distillation. (c ) Explain the following terms: (i) saponification; (ii) esterification. (d) Write a balanced equation to illustrate each of the terms in (c). (e) (i) What is hydrocarbon compound? (ii) Name two principal sources of hydrocarbons. [25 marks @beastexams Share to friends✍✍✍

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