oil)? The alcohols tested will be methanol (1 carbon atom)‚ ethanol (2 carbon atoms)‚ propan-1-ol (3 carbon atoms)‚ butan-1-ol (4 carbon atoms) and pentan-1-ol (5 carbon atoms). Variables Variable Description Independent This is the variable that will change; the chain length of the alcohol. The chain length will be changed by using different alcohols‚ each alcohol has a different number of carbon atoms; methanol (1 carbon atom)‚ ethanol (2 carbon atoms)‚ propan-1-ol (3 carbon atoms)‚ butan-1-ol
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OUTLINE: Effects if Alcohol on Drivers Performs The use of alcohol has been a major problem in our society A serious problem of alcohol is that of drunk drivers Facts About Alcohol Alcohol is a common name for chemical substances ethanol‚ grain alcohol or ethyl alcohol Not digested but absorbed into the bloodstream Alcohol is a major factor in nearly 41% of traffic accidents where some one is killed Nearly 60% of all Fatalities during holidays are alcohol related For drivers of all ages
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sanitizer or hand antiseptic is a supplement or alternative to hand washing with soap and water. * Various preparations are available‚ including gel‚ foam‚ and liquid solutions. * The active ingredient in hand sanitizers may be isopropanol‚ ethanol‚ n-propanol‚ povidone-iodine. * Inactive ingredients in alcohol rubs typically include a thickening agent such as polyacrylic acid for alcohol gels‚ humectants such as glycerin for liquid rubs‚ propylene glycol‚ and essential oils of plants
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Bottles containing: glacial Ethanoic acid‚ Methanol‚ Ethanol‚ Propan-1-ol‚ • Propan-2-ol‚ Butan-1-ol‚ Butan-2-ol and Conc. Sulfuric acid. • 1g Salicylic acid • 10 ml Measuring cylinder • Test tubes • 250ml Beaker • One-hole rubber stopper • 50cm length of glass tubing to fit stopper • Hotplate • Safety glasses Method: 1. Set up a 250ml beaker two-thirds full of hot water on a hotplate. The beaker serves as a water bath 2. Pour 5ml of ethanol into a test tube. 3. Add 2.5ml of glacial ethanoic acid
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Different solvents provided extracts with different colour values at varying temperatures. At 50⁰C‚ the maximum colour value was found to be in the extract obtained using ethanol as the solvent. As shown in Figure 4.5‚ it could be clearly analyzed that different colour values are obtained on extraction with different solvents. Ethanol gave the maximum colour value i.e. 308.6; chloroform gave a slightly less value of 296.6; followed by methanolic extract giving 249.3
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Chemistry Project CERTIFICATETHIS IS TO CERTIFY THAT Kshitij Navet HAS SATISFACTORILY COMPLETED THE CHEMISTRY PROJECT FOR THE YEAR 2012-2013INTERNALEXAMINER‚ SIGNATURE EXTERNAL EXAMINER‚ SIGNATURE PRINCIPAL SCHOOL STAMP | ACKNOWLEDGEMENT
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INTERNATIONALE PHARMACEUTICA SCIENCIA | Jan-March 2011 | Vol. 1 | Issue 1 | Available online http://www.ipharmsciencia.com ©2011 IPS REVIEW ARTICLE Phytochemical screening and Extraction: A Review ABSTRACT Plants are a source of large amount of drugs comprising to different groups such as antispasmodics‚ emetics‚ anti-cancer‚ antimicrobials etc. A large number of the plants are claimed to possess the antibiotic properties in the traditional system and are also used extensively by the tribal people
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Pineapple Peelings as Vinegar TABLE OF CONTENTS Title Page Abstract…………………………………………………………... 1 Research Plan……………………………………………………..2 Introduction…………………………………………………..2 Statement of the Problem……………………………………..2 Significance of the Study……………………………………..2 Scope‚Delimitation and Limitations…………………………..2 Definition of Terms……………………………………………3 Review of Related Literature………………………………………4 Methodology………………………………………………………5 Materials……………………………………………………….5 Procedures……………………………………………………
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water it resulted insoluble and in ethanol it resulted soluble. This substance could not be tested for electrical conductivity because the water was insoluble. We then tested for the PH value and it was neutral. The flame test was negative. There was no pigment in the flame. For our second unknown‚ the substance color was powdery-white‚ glittery‚ and clumpy. The odor was like rubber. When we tested the solubility in water in water it resulted soluble and in ethanol as well. The electrical conductivity
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Academia de San Lorenzo Tialo Sto. Cristo City of San Jose Del Monte Bulacan A Research Paper Presented to Mr. Jay-ar D. Cuevas In Partial Fulfillment of the Requirements of the Course English IV By Clothe Deenarie B. Bobier Fourth Year – A March 2013 ACKNOWLEDGEMENT The researcher of the “Alcohol: Good or Bad” would like to extend her gratitude to those in one way as another made this research paper possible. To Sherlene Jane Enriquez
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