Using Fruits ( Lemon‚ Orange ) As Battery Purpose To demonstrate how an electrical current can be generated using citrus fruits (such as lemons or limes) that is strong enough to power a small light bulb. Additional information Batteries are devices that store chemical energy and convert it to electrical energy. Consisting of one or more voltaic cells‚ batteries come in various sizes and forms and are integrated into most electronic and portable devices. Electrical current is the flow
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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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How fruit juice went from health food to junk food For decades fruit juice has been seen as a healthy option. Then this week a primary school banned it after claims that it’s as bad for you as Coca-Cola. But how big a health risk does it pose? ’Fruit juice isn’t the same as intact fruit and it has as much sugar as many classical sugar drinks‚’ says medical researcher Susan Jebb. Photograph: Deborah Pendell/Getty Images/Flickr Open This week‚ it looked as if fruit juice might finally lose its
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THE INTRODUCTION TO SOAP MANUFACTURE BY W. H. SIMMONS‚ B.Sc. (Lond.)‚ F.C.S. AND H. A. APPLETON It has been said that the use of soap is a gauge of the civilisation of a nation‚ but though this may perhaps be in a great measure correct at the present day‚ the use of soap has not always been co-existent with civilisation‚ for according to Pliny (Nat. Hist.‚ xxviii.‚ 12‚ 51) soap was first introduced into Rome from Germany‚ having been discovered by the Gauls‚ who used the product obtained
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period of my assignment. INTRODUCTION GUAVA is a sweet juicy light or dark green coloured fruit. It is cultivated in all parts of INDIA. When ripe it acquires yellow colour and has a penetrating string scent. The fruit is rich in vitamin C and mineral. It is rich source of oxalate ion and its content in the fruit varies during different stages. Oxalate ion are extracted from the fruit by holding pulp with dilute H2SO4. The Oxalate ions are estimated volumetrically by titrating the solution
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How to Make a Nicotine Insecticide Nicotine‚ a toxic chemical most often associated with cigarettes‚ has been used as an insecticide since colonial times. One excellent benefit of using nicotine in your garden is that its effectiveness is short lived‚ but potent. You can kill the critters that damage your plants while saving the ones that protect them. Only a few hours after spraying‚ you can harvest and eat your vegetables. Instructions Things you need • Cigarette butts (one cup
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seeds and most sweet fruit. This typically means the leaf‚ stem‚ or root of a plant. The non-biological definition of a vegetable is largely based on culinary and cultural tradition. Therefore‚ the application of the word is somewhat arbitrary‚ based on cultural and/or personal views. Vegetables are most often cooked in savoury or salty dishes. However‚ a few vegetables can be used in desserts and other sweet dishes‚ such as pumpkin pie and carrot cake. A fruit on the other hand is a
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with soap and soapless detergents. Detergent comes from the Latin word detergere meaning to clean‚ it is defined as a cleansing agent. Therefore‚ water itself is a detergent. This essay looks at soap and soapless (or synthetic) detergents. Both substances we use everyday and have a big market commercially‚ they effect everyone. Soaps are made from natural products and soapless detergents are produced chemically‚ each having advantages and disadvantages. Soap has a
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“Strange Fruit” ‚a poem written by Abel Meeropol in 1929‚ was a world renowned piece of writing. This poem was a result of Meeropol’s reaction to the picture of a lynching that took place during that time. He was already disturbed by the racism that existed‚ but was horrified after seeing a picture taken of two hanging bodies. Then after putting it to song‚ it was sung by Billie Holiday who was heard around the world. I find that this poem is a chilling act of defiance against the inhumane act of
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------------------------------------------------- EVALUATION OF EFFECTIVITY OF SOAPS AND DETEGENTS AGAINST BACTERIA BACTARIUM EVALUATION OF EFFECTIVITY OF SOAPS
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