Green Chemistry Many companies all over the world produce chemicals for their products that are harmful to the environment‚ human health‚ and to all living species. Green Chemistry is the use of chemistry for the prevention of chemical pollution to the environment by using chemicals that are benign‚ or not harmful. The Environmental Protection Agency (EPA) states that the mission of Green Chemistry is‚ "To promote innovative chemical technologies that reduce or eliminate the use or generation
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home. I decided to choose a different major which happened to be chemistry. I convinced myself that after all science is science. I decided that once I finished the chemistry major‚ I would support myself to study the laboratory science. I worked very hard in chemistry as I was aiming to graduate with honors. However‚ during the course of my study‚ I learned my things‚ which left me very surprised since I did not think that chemistry could contain so much information. In fact‚ it came to a point that
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1 COMPUTER ASSISTED INSTRUCTION IN CHEMISTRY IN RELATION TO LEARNERS’ PERSONALITY Dr.R.Sivakumar Abstract The aim of this study was to find out the effectiveness of Computer Assisted Instruction in Teaching Chemistry In Relation To Learners’ Personality. The sample consisted of 40 students in Control group and 40 students in Experimental group. The data were collected using appropriate tools and it was analyzed by t’ and F’ test. The finding is that the achievement scores of Experimental group
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Contents PART XV ANALYTICAL CHEMISTRY Chapter 63 Detecting the presence of chemical species Action of heating solid sample strongly 1 Chapter 64 Separation and purification methods Centrifugation Sublimation Partition equilibrium of a solute between two immiscible solvents Two-dimensional thin-layer chromatography 2 2 3 6 Chapter 65 Quantitative methods of analysis Detection of end point in acid-alkali titration 8 Chapter 66 Instrumental analytical methods More
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1. LIFESTYLE CHEMISTRY -many consumer products have been developed because of increased understanding of chemical substances‚ chemical reactions & the biochemistry of human body surfaces -some products are used as cleaning agents while others have been developed to act as barriers against environmental factors like wind and heat -some products are mixtures‚ used for medicinal purposes‚ & require a different understanding of body chemistry & chemical interaction -production of these
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Question: What Is the Importance of Chemistry? What is the importance of chemistry? Why would you want to learn about chemistry? Chemistry is the study of matter and its interactions with other matter and energy. Here’s a look at the importance of chemistry and why you should study it. Answer: Chemistry has a reputation for being a complicated and boring science‚ but for the most part‚ that reputation is undeserved. Fireworks and explosions are based on chemistry‚ so it’s definitely not a boring science
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celebration to mark specialoccasions. The thrill and excitement generated by fireworks‚brightening the night sky and immersing it with vivid displays ofcolour and technicality‚ which makes them a crowd pleaser. Behind all the excitement of fireworks‚ chemistry plays an importantrole in creating the vivid colours we witness lighting up the sky. Theactual chemical reactions that take place in the explosions requirethe use of oxidisers‚ reducing agents and binders. The additions ofvarying metal chlorides
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The gifts of chemistry are a boon to mankind. Its applications in home and industry are many. Right from purified drinking water and motor car to cane sugar and mobile phone‚ all these have been made possible only through processes in chemistry at some stage or other of production. New discoveries‚ processes‚ and products are an integral part of this fascinating discipline. It offers a fertile ground for those endowed with intellectual curiosity and a passion for scientific research. you must
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Nuclear Chemistry Imagine the majority of Earth being quarantined off and people having to live in specified areas to avoid harmful radiation that originated from nuclear energy/waste. The integration of nuclear energy/medicine is largely controversial among people. Every side to the argument has its benefits as well as its negative consequences. Nuclear energy should not be used in society because of the threat it poses to thousands of people. In contrast‚ nuclear medicine has positive aspects that
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Senior Secondary Examination Examination 2010 - 2011 An investigatory project on Chemistry PROJECT: TO STUDY THE PRESENCE OF OXALATE ION CONTENT IN GUAVA FRUIT AT DIFFERENT STAGES OF RIPENING. Submitted by: ANUKRITI SHARMA Class- XII – A (sci.) Roll no: 06 Air force school Chakeri ‚ Kanpur(up) CERTIFICATE This is to certify that ANUKRITI SHARMA has satisfactorily completed the project in CHEMISTRY on ‘OXALATE ION´ prescribed by the AISSCE course in this school in the year 2010-2011
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