Grade-12-Physical-Science-March-2011-Paper-1 MARKS: 150 TIME: 3 hours This question paper consists of 16 pages and 3 data sheets. |INSTRUCTIONS AND INFORMATION | | | |1. |Write your centre number and examination number in the appropriate spaces on the ANSWER
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Preparation of PoPD fabricated of Mg-Al layered double hydroxides 0.356 g of Magnesium nitrate (0.3 M) and 0.169 g of Aluminium nitrate (0.1 M) solution were containing in 100 ml beaker with continuous stirring (1:3 ratio) and followed by 0.700 g of urea (0.5 M) was added into the solution. The reaction mixture was maintained basic medium using 1 g of NaOH solution was added drop by drop into the above metal solution. The mixture was stirred for 30 min and the precipitate was poured into the 50
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What are the mystery powders? Period: 4 Asia Enoch Introduction: A carbohydrate is an immediate form of energy in your body. Monomers is smaller than a polymer. For carbohydrate the monomer is sugar and the polymer is a polysaccharides. Carbohydrates are important to our body because we need to use energy. The purpose of this lab is to figure which one is the monomer and which one is the polymer. Hypothesis: If I place two drops of iodine into the mystery powder‚ it would turn from brown
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medicine for years‚ consuming Amla berriesin large quantities or using them for hair and skin treatment is not a very conventional practice. However‚ the use of Organic Amla Powder taken internally or applied externally is commonplace in most households. Organic Amla Powder as a Part of Mainstream Diet Organic Amla Powder is an inexpensive option for most people and can be easily incorporated in the diet on a daily basis‚ without worrying about the side effects. Most often‚ holistic health practitioners
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You need to check the powder bushing and the number in your loading guide matchup. Also‚ That the shot charge is correct for the load that you’re doing. If this is not done‚ you might end up with the wrong measurements. Now that you have your bushing and bar to your desired combination you need to fill your hoppers. The hoppers‚ the clear plastic bottles located on the top‚ hold the shot and powder. The hopper on the left hand side holds the shot. If you’re
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3 1. Executive Summary Recently‚ there is a fiasco in the China milk powder market. Most of the famous local milk powders have been found melamine‚ which has caused many deaths. As it is observed that there is in lack of a safety and affordable milk powder for the ordinary households in China‚ as being a socially responsible cooperation‚ we decided to plan to produce a safety and reasonably affordable milk powder to the mainland’s babies. Also‚ because our company is planning to further
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Chemistry Project on STUDY OF ADULTERANTS IN FOOD CHEMISTRY PROJECT WORK INVESTIGATORY PROJECT STUDY OF ADULTERANTS IN FOOD-STUFFS Name: Taher Shabbir Hussain Class: XII-B School: Indian Public School Year: 2009-2010 iC BS E.c om Chemistry Project on STUDY OF ADULTERANTS IN FOOD iC BS 2|P a ge E.c om Chemistry Project on STUDY OF ADULTERANTS IN FOOD Certified to be the bonafide work done by Mr. / Miss in the _ TAHER SHABBIR HUSSAIN of class XII
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the truth. Baking is a science. It’s important to understand the reactions. We need to talk about baking powder and baking soda… and you can totally copy my homework if you need to. It’s cool. The difference between baking soda and baking powder: Baking soda and baking powder are both odorless white powders that work their magic in our cakes. Though they’re both white powders‚ the two are certainly not interchangeable. Let’s talk about the facts behind these baking essentials. Baking
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PROJECT OF CHEMISTRY STUDY OF ADULTERANTS IN FOOD-STUFFS Index Certificate 3 Acknowledgement 4 Food adulteration 5 Infections due to adulteration 7 Experiment-1 9 Experiment-2 10 Experiment-3 11 Bibliography 13 Certificate of Authenticity This is to certify that a student of class 12th has successfully completed the research project on the topic “Study of adulterants in food-stuffs” under the guidance of This project is absolutely genuine and does not indulge in plagiarism of
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for baking powder? What is the chemical name for baking soda? What does baking powder contain? What does baking soda contain? How does baking soda work? How does baking powder work? Why is baking powder used in cooking? Why is baking soda used in cooking? What are the advantages and disadvantages of using baking soda? What are the advantages and disadvantages of using baking powder? What are the advantages and disadvantages of using baking soda compared to using baking powder? What are
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