Aim This experiment is to determine the vitamin C content in different brands of processed fruit juices. Hence‚ compare the vitamin C content in the experimental results with the manufacturer’s claim and to find out the best buy. Principle Vitamin C (ascorbic acid) is a reducing agent‚ the vitamin C content of processed fruit juices can be determined by oxidizing ascorbic acid‚ C6H8O6 to dehydro-L-ascorbic acid‚ C6H6O6. A reagent that is particularly good for the oxidation is an aqueous solution
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SPEECH AND PRESENTATION OUTLINING General Purpose: Informal Specific Purpose: is on the topic of caffeine... its beneficial effects AND its negative effects. Statement: also to inform coffee users about coffee. Introduction I Open with impact: before you go to Starbucks store buy take and take a sip of your favorite coffee… A Wouldn’t you want to know a better about what you benefit and don’t out of your coffee? B I drink a lot of coffee‚ so I was wondering how that might affect my
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the independent variables in the experiment as the vitamin C content is unknown. The dependent variable is the measureable amount of each of these drinks solutions that is required to decolourise a known amount of blue dye. As there are pairs of fruit juice solutions being measured it is possible to compare one against the other. It is also necessary to repeat each cycle of the experiment to minimise any variances in the solutions being tested. It is also possible to carry out the experiment with
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After Port-Louis‚ the capital city of Mauritius‚ Curepipe is the second most important city of our island both in terms of size and significance. The name Curepipe is gleaned from an eponymous town in France and today it is found only 18 km or 11 miles to the South of the Capital city of Port Louis. Mauritius is an eye-catching island‚ floating in the Western corner of Indian Ocean. The history of Curepipe being settled with its residents deals with the malaria epidemic that had broken out in 1867
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Informative Speech Specific Purpose: To educate my audience on sugar and its effects on the body. Central Idea: Many sugars have detrimental effects on our body and it is important that we pay closer attention to avoiding these foods. Intro: I. Did you know that the average American consumes around 130 pounds of sugar per year? I’m going to assume that you are surprised by this fact‚ as you should be‚ because this is way above the amounts that we should be consuming. II. Sugar is all around us in
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Rosalia Steffi Longjam’s Speech for Election in India Fellow Citizens‚ 76 years back‚ at the stroke of the midnight hour India awoke to her freedom. However we have miles to go and miles to go before all the dreams of our founding fathers translate to reality. Today we stand at the threshold of the 21st century and as Indians we all have an awesome responsibility to fulfill - in part a backlog of efforts yet to be applied. India can and indeed become a global giant. Who amongst us would not
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“The Importance of Eating Breakfast” Specific Purpose: To persuade my audience to take a few minutes from their busy lives to breakfast in the mornings. Central Idea: As your age increases so does the percentage of skipping breakfast‚ which can lead to many problems ‚big or small‚ throughout your life. I encourage you to take a little bit of time each day to eat breakfast. Introduction Attention Getter: How many of you enjoy putting on a few pounds? I don’t mean gaining
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activities in different fruit juices Aim: To investigate the protease activities in different fruit juices Background info: Fruit such as pineapple‚ kiwi fruit‚ papaya and guava contain proteases (in different amounts)‚ which can speed up the breakdown of proteins. As milk-agar plate is a milk protein‚ so when it is incubated with fruit juices containing proteases‚ the milk protein will be broken down and clear zones will appear around the wells containing different fruit juices. Thus‚ the higher
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In Seth Holmes’ and Tania Li’s compelling books‚ entitled Fresh Fruit‚ Broken Bodies and Land’s End the extreme dynamics between the indigenous communities of the Lauje‚ of Sulawesi Indonesia‚ and of the Triqui‚ of southern Mexico‚ and the global capitalistic market are examined and scrutinized. In the case of Li’s Land’s End she depicts the transformation of traditional agriculturally practices‚ the shift of local economics and the social hierarchy that emerges from the choice of the Lauje people
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Can you expect to extract more DNA from a strawberry or kiwi fruit? Introduction: In the experiment we were inspecting the amount of genetic materials in fruits with different numbers of chromosomes. In the experiment‚ we mashed up a strawberry/kiwi fruit (See appendix 1 figure 2) added extraction butter and ethanol to extract the DNA. A chromosome is a long thread-like cluster of genes in the nucleus. DNA (deoxyribonucleic acid)‚ a self-replicating material which is present in nearly all living
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