PAARCQE RESULTS REGION 1V 1. JOB CAISIDO‚ LETRAN CALAMBA‚ 80 2. OLA‚ ERICA‚ MARINDOQUE SC‚ 76 3. PEREZ JANUS‚ CABUYAO‚ 74 4. CALUGAY ANNE‚ URS‚ 73 5. HALINA DEMME‚ TCMC‚ 73 6. BEVERLY OSAR‚ MSC‚ 72 7. TIMBREZA‚ DLSP‚ 72 8.ENRIQUE VIVIEN‚ UIC‚ 72 9. RELADOR RON‚ UP‚ 72 10. ALDA‚ MARY GRACE‚ AGONCILLO COLLEGE‚ 71 11. FROILAN BERNARDO‚ UP‚ 71 12. DE ASISI ARISSA‚ SLSU LUCBAN‚ 71 13. LACAMBRA RAYMOND‚ URS TANAY‚ 71 14. RONDA KARL CHRISTIAN‚ URSTMAIN‚ 70 15. MENDOZA ALFONSO‚ SLSU LUCBAN‚ 70 16. ABELLANA
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around 15mins. After first centrifuge the solution came out pale orange. The second heat and centrifuge produced very little precipitate. |The orange colour in the solution may indicate a presence of Cadmium (Cd2+) Most of the Group 2 ions in solution were precipitated out in reaction. Nearly complete reaction was obtained. | |2-3 Separation and Detection of Bismuth |After heating with HNO3 added a yellow gelatinous substance appeared. After NH3 was added to create a basic solution
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MAJENGO SECONDARY SCHOOL CHEMISTRY TEST FORM VI JULY 2013 TIME: 2 HOURS SECTION A Answer all questions 1. a) A coordination compound has a formula Co Cl3. 4NH3. It does not liberate ammonia but precipitates one mole of chloride ions with Ag No3. i. Give IUPAC name of the complex ii. Write it’s structural formula a) Give chemical tests to distinguish [Co Br (NH3) 5] S04 and [Co (NH3)5 SO4] Br 2. Give IVPAC Names of the following i. K2 [ptF6] ii
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Experiment 8: Hydrogen Phosphate Buffer Systems Purpose The purpose of the lab was to create a buffer solution and observe the capacity of the phosphate buffer system. Also‚ the experiment was meant to provide experience with the calculations and mathematics involved in creating the buffer solution. Finally‚ the lab was designed to provide an insight and appreciation for the necessity and complexity of buffers in our physiology and in the environment. Procedure No deviations were made from
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The goal for our lab activity was to make a silver mirror by reducing silver ions with dextrose. The materials that we used were acetone‚ 5 mL of 1.5 M ammonium nitrate solution (NH4NO3)‚ 5 mL of 0.5 silver nitrate solution (AgNO3)‚ 10 mL of 5% dextrose solution (C6H12O6)‚ 10mL of 10% sodium hydroxide solution (NaOH)‚ a 50 mL beaker‚ a 250 mL Florence flask with a rubber stopper‚ a 10 mL graduated cylinder‚ a waste beaker‚ and distilled water. The first thing we did was rinsed the beaker‚ cylinder
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National Achievement Test for: Fourth Year EXAMINER’S HANDBOOK Republic of the Philippines Department of Education NATIONAL EDUCATION TESTING AND RESEARCH CENTER Pasig City‚ Philippines 2013 EXAMINER’S HANDBOOK NATIONAL ACHIEVEMENT TEST 1. INTRODUCTION This Examiner’s Handbook is intended for those involved in the administration of the National Achievement Test for Fourth Year students. It outlines the activities to be undertaken at various
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RESULTS AND DISCUSSION In the Iron (II) - Silver Ions System the reaction had a balance chemical equation of Fe2+ + Ag+ Fe3+ + Ag(S). The process if centrifugation is used in this part of the experiment to be able to separate the supernatant and the precipitate. And the supernatant will be used to test for the presence of Fe2+‚ Ag+ and Fe3+ in the solution. Results showed that there is a positive presence for FE 2+‚ Fe3+ and Ag+ because of the visible change of color of Prussian blue precipitate
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THE EFFECT OF HYDROGEN BONDING ON RESISTING FLOW Design Investigating a factor affecting the viscosity of a mixture of liquid Research Question The effect of hydrogen bonding on resisting flow of five different liquids Background Theory Viscosity is the resistance of a fluid to flow‚ either within itself‚ or to moving past an objects moving through it. A liquid with high viscosity is thick and flows slowly. A liquid with a low viscosity is thin and flows quickly. Different liquids
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Assignment No. 1 for Communication Engineering‚ 4th sem IT students (to be submitted in class on 26/02/2013) Q. 1 A carrier signal with a peak voltage of 50V is amplitude modulated with a 1KHz test tone. The modulation voltage has an effective value of 5V. Compute the following: a. The percent modulation m b. The instantaneous voltage of positive and negative envelope when the 1KHz sine wave has completed 810 ������s of its cycle. c. Illustrate the waveform showing voltage levels and times. Q.2 Repeat
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attempt to end election disturbances. In 19BC‚ the senate left consulship up for Augustus while he was away. A Roman‚ Egnatius Rufus‚ attempted to stand in but was denied. Rufus then turned to violence and threats‚ which was later resolved when Augustus returned to vacate the last consulship through recommendations. This election disturbance showed how strong his auctoritas was. Augustus had the ability to control the voters to vote for his reccomendation. In order to stop disturbances‚ senate gave Augustus
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