Candidate name…………………………………………………………………….. MINISTRY OF 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)
Premium Chemical element Atomic number Atom
CHEMISTRY PROJECT WORK SESSION -2013-2014 ROLL NO- CLASS-XII ‘A’ SUBMITTED BY SUBMITTED TO ROHIT LAKHERA Mrs. ANITA BISHT CERTIFICATE This is hereby to certify that‚ the original and genuine investigation work has been carried out to investigate about the subject matter and related data collection
Premium Carbon dioxide Acid PH
multiple studies to find the actual amount of our waking lives spent communicating‚ and the percentage of time we spend in each division of communication. The article‚ "Measurement of Time Spent Communicating‚" is the result of a communication study of employees of a research and development laboratory. The study was based on two techniques: direct observation‚ and questionnaires. How much time do people spend communicating at work? How much time do people spend using machines at work? This useful information
Free Observation Communication Writing
FAIR VALUE MEASUREMENT 1. The meaning of fair value Fair value is the price that would be received from the sell of an asset or will be paid to transfer a liability in an orderly transaction between the market participants and the measurement date [IFRS‚ 13 – A501]. However in accounting and economics‚ fair value is the rational and unbiased estimate of a possible market price of a good‚ service or an asset. Fair value takes into account many objectives and subjective factors such as: Objective
Premium Generally Accepted Accounting Principles Balance sheet Real estate appraisal
Decomposition Reaction-Electrolysis of Water Introduction: Demonstrate the decomposition of water in simple but very colorful and dramatic fashion on an overhead projector. Concepts: • Decomposition reaction • Oxidation–reduction • Electrolysis • pH Materials: Sodium Chloride/universal indicator solution‚ NaCl‚ 25 mL Overhead projector Pencil lead‚ 0.7 mm Battery lead with alligator clips Petri dish‚ disposable Battery‚ 9-Volt
Premium Sodium chloride Electrode Electrochemistry
first-hand investigation – decarbonating soft drink identify data‚ plan and perform a first-hand investigation to decarbonate soft drink and gather data to measure the mass changes involved and calculate the volume of gas released at 250C and 100kpa Aim: to decarbonate soft drink and measure the mass changes involved and calculate the volume of gas released Hypothesis: When decarbonating soft drink‚ carbon dioxide will be lost to the atmosphere‚ decreasing the mass of the soft drink can.
Premium Carbon dioxide
AND TECHNOLOGY DEPARTMENT OF CHEMISTRY STK 1094 – Analytical Chemistry 1 EXPERIMENT NO : 1 TITLE OF EXPERIMENT : ACID – BASE TITRATIONS DATE OF EXPERIMENT : 27 SEPTEMBER 2013 GROUP MEMBERS & MATRIX NUMBERS : 1. DELVINO DISONNEO ANAK DALIN (44903) 2. GOH CHIA HONG (44927) 3.LINDA CHONG (41889) 4.LIM WHYE KIT LEONARD(41874) 5. LAB FACILITATOR : REPORT DUE DATE : 4 OCTOBER 2013 INTRODUCTION The laboratory method used in the experiment
Premium Sodium hydroxide Titration
Are laboratory experiments useful? Laboratory experiments are easy to replicate and help to find how the Cause and effect of relationships can be established. Laboratory methods usually have High levels of control over extraneous variables. One of the major strengths of laboratory experiments is‚ control. The more variables you have control over‚ the easier it becomes to draw conclusions about the effect of the individual variable on the dependent variable. Laboratory experiments allow for high
Free Experiment
2008 APEC Clean Development Conference – The Current Applications and Future Promotion of Green Chemistry for Sustainable Development National Tsing-Hua University‚ Hsinchu‚ Chinese Taipei Dec.15.2008 Green Chemistry for the Improvement of Human Welfare Gwo-Dong Roam ‚ Wan-Yi Wu‚ Chung-Han Chiou‚ Chung-Wen Yen Office of Sustainable Development Environmental Protection Administration‚ Chinese Taipei Tel: 02-23822841; E-mail: gdroam@sun.epa.gov.tw Viewpoints & Experiences: . Roadmap:
Free Carbon dioxide
Comparison of “Hitcher” and “The Laboratory” Despite being written almost two centuries apart both ‘The laboratory’ and but Robert Browning and ‘Hitcher’ but Simon Armitage deal with themes of jealousy‚ resentment and violence as well as many other similarities and differences. ‘Hitcher’ is about a depressed man who is deeply angered and takes his frustration out on an innocent hitch hiker spontaneously. ‘The Laboratory’ is about a woman who‚ driven by jealousy‚ wants to poison her husband’s
Premium Poetry Difference Fiction