base‚ indicator‚ neutral‚ pH Prior Knowledge Questions (Do these BEFORE using the Gizmo.) 1. Acids are substances that produce hydrogen ions (H+) when dissolved in water. Lemon juice is an example of an acid. A. What does lemon juice taste like? __Sour.______________________________ B. What does it feel like if lemon juice gets in your eye? ___It stings/burns!______ 2. Bases are substances that produce hydroxide ions (OH-) when dissolved in water. Hand soap is an example of a base. A. What
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Science Fair Checkpoint #3 Materials: Disposable Gloves Timer Test tubes Thermometer Steel Wool Scissors Ruler Lemon Juice Orange Juice Vinegar Distilled Water Four Small Bowls Thin Towel Tall plastic cup Graph Paper Procedure: Before beginning your experiment‚ make sure that the distilled water has been opened and exposed to the air for at least a few hours. This will allow it to absorb some carbon dioxide from the atmosphere and lower its pH from a level of about 7 to about
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Laboratory 4: Analysis of Color in Foods 1. Introduction: The purpose of this experiment is to use various forms of color analysis to evaluate the quality of commercial food samples. Color and appearance of foods is an important criterion that consumers consider when buying foods and contributes to the overall quality of a product. One way to visually perceive color is through the Munsell system. This widely used visual color-ordering system sorts the visual system into three parts: hue
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over several hours.[13] For protection against mosquitos‚ the U.S. Centers for Disease Control (CDC) issued a statement in May 2008 recommending equally DEET‚ picaridin‚ oil of lemon eucalyptus and IR3535 for skin.[14] Permethrin is recommended for clothing‚ gear‚ or bed nets.[9] In an earlier report‚ the CDC found oil of lemon eucalyptus to be more effective than other plant-based treatments‚ with a similar effectiveness to low concentrations of
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are a few ideas to get you started Banana Butter Icing 50g/2oz Ripe Bananas‚ mashed ½ teasp Vanilla Extract ½ teasp Lemon Juice Chocolate Butter Icing Either 1 teasp Cocoa or 25g/1oz Melted Chocolate A few drops of Vanilla Extract Coconut Butter Icing 25g/1oz Desiccated Coconut Lemon Butter Icing 2 teasp very finely grated Lemon Rind 2 teasp Lemon Juice Orange Butter Icing 1 tbsp very finely grated Orange Rind 2 teasp Orange Juice Rum Butter Icing 2 teasp Dark Rum Vanilla
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SCHOOL OF INDUSTRIAL TECHNOLOGY IMG 103/3: FOOD CHEMISTRY LABORATORY REPORT TITLE : MEASURING pH LEVELS AND WATER ACTIVITY OF FOODS NAME: MATRIC NO: GROUP: 2 DATE OF EXPERIMENTAL WORK: 13 MARCH 2013 DATE OF SUBMISSION: 20 MARCH 2013 TITLE: MEASURING pH LEVELS AND WATER ACTIVITY OF FOODS ACTIVITY 1 Introduction : This experiment was performed to investigate the pH levels of different types of food products. The pH of a solution can be determined experimentally in several ways
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e c n e r La w h’s Ke og Rediscovering Food & Flavours The Cookbook Lawrence Keogh’s Rediscovering Food & Flavours RECIPES I’ve Hi‚ I’m Diane Green and more for an been a Renal Dietici “Hi‚ I’m Lawrence Keogh. You may have seen me on a number of than 13 years. Lawrence I’ve worked closely with recipes to during the creation of the ly balanced ensure they are nutritional tric tions and complement the res e can place eas dis that chronic kidney TV cookery programmes. What you may not know
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with paper towels. Place in a large resealable plastic bag‚ then add the garlic and oil mixture. 4. Seal the bag‚ pressing out as much air as possible. Roasted Lemon and Garlic Turkey Drumsticks Makes 2 servings You Will Need: • 2 turkey drumsticks‚ approximately 9 oz each • 2 garlic cloves‚ grated • 2 Tbsp freshly squeezed lemon juice • 2 carrots‚ peeled and chopped • 2 parsley roots‚ chopped • 1 tsp paprika • 2 tsp dried thyme • 1/2 tsp sea salt • Freshly ground black pepper‚ to taste • Butter
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Properties of Water Lab # 1 Biology 111 January 23‚ 2011 INTRODUCTION With surface tension it is made possible for items such as paper clips to float on water‚ because a molecule within the mass of a liquid encounters gravity to all adjacent molecules in all directions. When you use surfactant substances this creates hydrogen bonds. Purpose of experiment 1 will be to show that once the surfactant substances hits the hydrogen bond pulls down paper clips. Things
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MINADO’S PERFECT SUSHI RICE Ingredients * 2 cups sushi rice * 2 cups water * 4 tablespoons rice vinegar * 3 tablespoons sugar * 2 teaspoons salt * 2 tablespoons mirin * kelp‚ leaf (optional) Directions 1. Ignore the directions on the bag that the rice came from and rinse the rice only 3-5 times. The water does NOT have to run clear. 2. Place rice to drain in a strainer. 3. Drain for one hour the winter‚ 30 min in the summer. (Sounds
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