EXPERIMENT 1: Aim: To range the metals copper‚ lead‚ silver and zinc together with hydrogen. Start with the strongest reducing agent. Hypothesis: The nobler a metal is‚ the worse reducing agent. Apparatus/requirements: Sandpaper‚ strips of; zinc‚ lead‚ silver and copper‚ solutions containing aqueous; Zn2+‚ Pb2+‚ Cu2+ and Ag+ ions (0.2 M)‚ hydrochloric acid (5.0 M)‚ emery paper‚ test-tubes. Method: Burnish the three metal strips to get a shiny surface‚ after drop a drop of each of the metal
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Related Studies Lemon is a fruit that contains acid that can be able to remove stains or an agent that can be used as a cleaning solution‚ specifically‚ a tile stain remover. The acid in lemon juice removes dirt and rust stains. It’s especially effective when mixed with salt‚ which makes “an alternative cleaning agent”. It is also known for it contains most citric acid among those citrus fruits. Grapefruit can help you clean your body and your home as well as keeping you healthy and
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INVESTIGATORY PROJECT CHAPTER ONE CALAMANSI PULP FOR A STAIN REMOVER INTRODUCTION: The Calamansi is a fruit known for its usefulness‚ as well as its amazing use in the field of medicine; however it’s proved to be more than just a food and medicine. It was in fact‚ also a fruit for household purposes‚ and through our various digging of information‚ some researchers found out that calamansi is also beneficial in a lot of things. Such as: Useful for food recipes‚ Eliminates bad smell
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rinds of orange and other citrus fruits contain flavonoid phytonutrients. John A. Manthey‚ a chemist of the USDA Agricultural Research Service‚ discovered that these flavonoids can lower LDL‚ “bad”‚ cholesterol levels and triglyceride levels at a significant level. They also have potential anti-inflammatory properties. All these benefits can help reduce the risk of heart disease. While it’s important to practice healthy habits like staying out of the sun and wearing sunblock‚ orange peels might
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Section A. Aims and Objectives This experiment is conducted in order to investigate which fruit‚ kiwi fruit‚ lemon fruit or orange fruit contain more vitamin C. Section B. Identifying variables 1. Independent variable Numbers of dropper of juice Time for the juice the decolorized 2. Dependent variable The concentration of DCPIP solution 3. Controlled variable The concentration of DCPIP solution The amount of fruit juice The temperature The time that the juice expose
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“Kalamansi and Onion Extract as Cockroach Killer“ ‘FIRST FRUITS CHRISTIAN ACADEMY’ Subject English lV Girlie Y. Quilla Kenneth Gedeon A. Ramada February 2014 CHAPTER I INTRODUCTION Cockroaches are common pests in the tropics. They have been known to cause allergic reactions to most people and chew holes on clothes .They have been known to contaminate food at the same time infect It with the bacteria they carry. The bacteria they spread in food can cause food poisoning. People have
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| IDENTIFICATION OF SOME MACROMOLECULES | | INTRODUCTION Dehydration-synthesis is a reaction that occurs to form different types of macromolecules. It is a reaction that leaves a macromolecule structure along the lines of developing its own specific function in a living organism. The 4 most common ones are carbohydrates which includes monosaccharides and polysaccharides‚ lipids‚ proteins and nucleic acids (Mack 2012). Scientists identify different types of macromolecules to achieve
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With its rich content of Vitamin C‚ orange juice helps to regenerate new skin cells. The vitamin C in orange juice fights skin blemishes and lightens the skin tone. Collagen in orange juice helps to slow down the process of aging. Yogurt acts as a natural bleaching agent. It moisturizes the skin and keeps it soft. • Oatmeal and buttermilk pack: Oatmeal acts as an exfoliator and helps to remove tan easily
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the results. PROBLEM STATEMENT Which type of fruit juices has the most vitamin C content? HYPOTHESIS The smaller the amount of the fruit juices to decolourise DCPIP solution‚ the higher vitamin C content in the fruit juices itself. The fresh orange juice gains the highest vitamin C content than other juice (carton juice‚ fresh lime and fresh lemon). NULL HYPOTHESIS All type of fruit juices has the same value of vitamin C content. VARIABLES Manipulated Variable: Type of fruits juice used Responding
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The Effectiveness of Using Limonene as a Substance by Means of Decomposing Polystyrene (Styrofoam) Researchers: Group 1 Ablaza‚ Jennifer Bacallan‚ Rain Bautista‚ Janessa Bolito‚ Gael Camacho‚ Lara Castañeda‚ Kristine Cord-Cruz‚ Negene Sanchez‚ Nicole IV-(6) Our Lady of the Immaculate Conception Submitted in Partial Fulfillment of Requirements for Physics and Research Class in the High School Department St. Theresa’s College‚ Quezon City 16 February‚ 2012 APPROVAL SHEET
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