solution by mixing 33.2 g KI in distilled water and dilute to 100 mL 3. Dishwashing liquid – approximately 5 mL 4. Food coloring 5. Graduated cylinders – 500 mL and 10 mL 6. Large serving tray and rubber gloves to assist in cleanup 7. Measure 20 mL of 30% hydrogen peroxide into the graduated cylinder. Add 5 mL dishwashing liquid and 10 drops food coloring to the graduated cylinder and shake to mix contents‚ but not too vigorously to avoid foaming. Measure 5 mL of 2 M KI solution in 10 mL graduated
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|turned dark green |very dark green. | |NaOCl + KI |B5 |Light yellow |Darker yellow. | |NaOCl + KI + Starch |B5 |Dark purple/black |Black | |KI + Pb(NO3)2 |C5 |Thick yellow |Thick
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Global Journal of Management and Business Research Administration and Management Volume 13 Issue 11 Version 1.0 Year 2013 Type: Double Blind Peer Reviewed International Research Journal Publisher: Global Journals Inc. (USA) Online ISSN: 2249-4588 & Print ISSN: 0975-5853 A Study on Consumer Behavior towards Eco-Friendly Paper By P. Kishore Kumar & Dr. Byram Anand Pondicherry University‚ India Abstract- The purpose of this study is to understand the variables affecting the consumer behavior while
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“East London Opium Smokers” The document entitled “East London Opium Smokers” is a document written by an anonymous author‚ very possibly because he did not want to be identified. The excerpt is a story of a journey into England’s Bluegate Fields in search of the “Opium Master” to obtain opium‚ his specific drug of choice. He claims that this man will teach him his trade‚ something more special than receiving the drug from any chemist or other distributor. However‚ it is acceptable to say the
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Haryanavi is the dominant mother tongue of Haryana. Hindi is spoken as spoken as a second language. Haryana is called the Land of Rotis because this is the main food item in Haryana. Tea‚ Buttermilk (Lassi)‚ Thandai are the local drinks. Bajra ki roti‚ Bajra Ki Khichdi and Bathua Ka Raitha are also popular food items.Women love to wear colourful dresses. The men generally wear white dhoti or pajama‚ white-coloured kurta‚ ’Pagri’. All-white attire is a status symbol for men. Women wear ghaggra‚ lehenga
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Title: The history of Haiti Purpose: To understand how Haiti became what it is and all the trials it has endured Thesis: In order to explain Haiti’s history I will discuss its location‚ when and how it became independent and Haiti today and also its early history Intro: Attention Getter: Who here has heard of the horrible plight of Haiti? Haiti has been through constant suffering everyday due to economic difficulty‚ lack of food‚ lack of clean water‚ hurricanes‚ and possibly everything
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Abby Cole Biology Summer Essay The human brain is extremely hard to understand; however‚ there are people in the world dedicated to understanding it. A Brief Tour of Human Consciousness‚ written by Dr. Vilayanur S. Ramachandran covers many topics regarding the brain‚ one of the more thoroughly covered topics is how the human brain works. This leads to the question‚ are humans set apart from other life on earth because of their brains? Although there is not as much knowledge of animals brains‚
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From Wikipedia‚ the free encyclopedia Jump to: navigation‚ search River Padma in Rainy Season River Meghna from the bridge over the river Bangladesh is a riverine country. About 800 rivers including tributaries flow through the country constituting a waterway of total length around 24‚140 km.[1] Most of the country’s land is formed through silt brought by the rivers. Following is a list of some of the major rivers of Bangladesh: * Atrai River * Bangali River * Balu River
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I- However‚ Iodine does not dissolve in water very well. In this case‚ standard solution of potassium iodate(V) is used to produce aqueous iodine. Excess potassium iodide and dilute sulphuric acid is added to react with potassium iodate. KIO3 + 5 KI + 3 H2SO4 -> 3 I2 + 3 H2O + 3 K2SO4 Excess potassium iodide also helps dissolving iodine produced. I-(aq) + I2(s) I3-(aq) Iodine does not react with ascorbic acid too quickly‚ that is why they cannot be titrated directly. We use excess iodine solution
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photograph of the household chemical test. Data Table 1 – Chemical Reactions Well Chemicals Observations Chemical Change? NaHCO3 + HCl Nothing occurred it remained the same. No NaOCl + KI Observation 1: It turned brown‚ but had no odor. Yes NaOCl + KI + starch Observation 2: It turned ark purple‚ but had no odor. Yes KI + Pb(NO3)2 It turned bright yellow and formed pieces of solid in the bottom. Yes NaOH + phenolphthalein It had a light odor and turned pinkish red. Yes HCl + phenolphthalein Nothing
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