Averrhoa bilimbi (commonly known as bilimbi‚ cucumber tree‚ or tree sorrel) is a fruit-bearing tree of the genus Averrhoa‚ family Oxalidaceae. It is a close relative of carambola tree. Medical interest In the Philippines‚ the leaves serve as a paste on itches‚ swelling‚ rheumatism‚ mumps or skin eruptions. Elsewhere‚ they are used for bites of poisonous creatures. A leaf infusion is used as an after-birth tonic‚ while the flower infusion is used for thrush‚ cold‚ and cough. Malaysians use fermented
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References: 2. Mc Graw Hill Encyclopedia of science and technology vol 9‚ 1960 3 9. Bender A.E (1982) Dictionary of Nutrition and Food Technology 5th edition 10. Lee‚ F.A (1980)‚ Fruits and Vegetables; Basic Food Chemistry‚ 2nd edition 11. Pippen; E.L Mc Cready‚ R.M and Owens H.S (1950) Gelation proportion of partially Acetylated pectins J.AM 12. McComb‚ E.A; and McCready‚ R.M (1957): Determination of Acetyl in pectin and in Acetylated
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systematically reacting the unknown with a number of different reagents. By predetermining what the particular reaction will produce if a specific ion is present‚ the ions that actually are in the solution can be identified. For example‚ if a reaction is known to produce a precipitate if ion A is present and a precipitate is formed when the reaction is run‚ then ion A may be present in solution (there may
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of sodium benzoate and HCl was added to it‚ ultimately producing benzoic acid. First‚ .3395 g of sodium benzoate was weighed‚ then it was dissolved in water‚ causing it to disassociate into ions. Next‚ 3M of HCl were added drop wise to the solution until it reached a pH of 2‚ thus introducing the hydronium ion. This addition caused a white‚ solid benzoic acid to precipitate out of the solution. A vacuum filtration system was used to separate the solid from the liquid. What was once water soluable
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Acknowledgement I would like to express my sincere gratitude to my chemistry mentors Mrs. Smiti Gupta for her vital support‚ genius guidance and encouragement without which this project would not have come forth from my side. I would also like to express my heartly gratitude to the lab assistants Mr. Rajkumar Singh for his necessary suggestions and initiations during the making of this project. I am grateful to My Parents and My Sister whose blessings and wishes have gone a long way in the
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of solubility rules and demonstration of such in the laboratory setting for the first method of qualitative analysis. The second method of qualitative analysis was the performance of a flame test on various solutions to prove the presence of certain ions based on the color of the flame. In this experiment‚ unknown solution #1 was proven to contain lead (Pb2+) and barium
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chemicals that might cause irritation to sensitive people. Eggplant (Solanum melongena) is a species of nightshade commonly known in British English as aubergine and also known asbrinjal‚ brinjal eggplant‚ melongene‚ or guinea squash. It bears a fruit of the same name that is widely used in cooking‚ most notably as an important ingredient in dishes such as moussaka and ratatouille. As a member of the genus Solanum‚ it is related to both the tomato and the potato. It was originally domesticated in
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__________________ CHEMICAL NAMES AND FORMULAS SECTION 9.1 NAMING IONS (pages 253–258) This section explains the use of the periodic table to determine the charge of an ion. It also defines polyatomic ion and gives the names and formulas for the most common polyatomic ions. Monatomic Ions (pages 253–256) 1. What are monatomic ions? Monatomic ions are ions consisting of only one atom. 2. How is the ionic charge of a Group 1A‚ 2A‚ or 3A ion determined? The ionic charge is numerically equal to the group
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VCE Chemistry Week 1 - Chemical Analysis (1) Horizen Education February 8‚ 2013 1 1.1 Review: Gravimetric and Volumetric Analysis Gravimetric Analysis Solubilities Always soluble: Usually soluble: Exceptions: Na+ ‚ K+ ‚ NO3− ‚ CH3 COO− ‚ NH+ 4 Cl− ‚ I− ‚ Br− i. Sodium carbonate and Silver nitrate ii. Iron (II) sulfate and Lead (II) nitrate iii. Sodium nitrate and Nickel sulfate iv. Potassium hydroxide and Copper (II) nitrate v. Sodium sul de and Cadmium sulfate Ho
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Why We Should Not Underestimate the Power of Chocolate Do you like chocolate? How many times do you eat chocolates in a day? Some people like to eat chocolates‚ some are even obsessed with them. Some people don’t like chocolates because those people think that they will make them fat. Some people just don’t like chocolates‚ without any clear reason. I believe that chocolate has many benefits which we can’t underestimate. Chocolate is a raw or processed food produced from the seed of the tropical
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