a poor electric conductor‚ but when it is at high temperatures‚ it is a good conductor. There are many types of Boron compound. Crystalline Boron is one of them‚ and it has the colour of a very black material. Its name of origin was from Borax and Carbon. Its melting point is at 2089°C and its boiling point is at 2550°C Boron was discovered by an American and two French chemists. When and how it was discovered It was discovered by Sir Humphry Davy‚ J.L Gay-Lassac and Louis Jacques Thérnard in
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gasoline to my car. 8) If you used the candle‚ what color was the molten wax? If you looked at something in the environment (a dog‚ bird‚ the sky‚ clouds)‚ provide details...color‚ texture‚ shape‚ size‚ etc. I believe the candle contains carbon and hydrogen atoms. When we burn the candle these two elements react with the oxygen on the air burns the candle. So based on my experiment the yellow can have molten wax. So if I looked outside the environment lots of animals live in the atmosphere
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also antiperiodic in small doses‚ and the leaves are used as a cathartic. Liquid fuel is important for power generation. It is fuel oil. It is classified according to its properties‚ e.g.‚ flash point‚ pour point‚ percent-age of water and sediment‚ carbon residue‚ ash distillation temperature‚ and viscosity. When processed with simple methods‚ the utilization of the yellow bell seeds will yield oil that shows the same chemical properties of fuel.
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build-up of fats. Statement of the Problem How to purify and reuse cooking oil for further usage? Objectives of the Study This investigatory project determines the possibility of purifying used cooking oil using sedimentation method. The activated carbon was also used in the experiment to absorb some dissolved substances in the oil. There were three different setups used in this study namely; Setup 1 (sedimentation was done once); Setup 2 (sedimentation was done twice); and Setup 3 (sedimentation
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you learned about the natural environment‚ how it is impacted by humans‚ and how that impact is measured. Now‚ you’ll apply what you learned. 1. In Section 1‚ there were several examples of systems‚ such as a car engine‚ the water cycle‚ or the carbon cycle. Think of a system you’re familiar with‚ and then answer the following questions. a. What system did you choose? (1 sentence. 2.0 points) water cycle b. What are the inputs of the system? (1 sentence. 2.0 points) evaporation c.
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acidified potassium permanganate solution adding sodium sulphite solution to bromine water adding hydrogen sulphide to acidified potassium dichromate solution adding oxygen to potassium iodide in alkaline medium to give iodine and hydroxide adding carbon to concentrated sulphuric acid adding copper to silver nitrate
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Copyright © The McGraw-Hill Companies‚ Inc. Permission required for reproduction or display By: Pn. Nurul Ain Harmiza Abdullah Materials Engineering PTT 110 SEMESTER 1 (2013/2014) Foundations of Materials Science and Engineering‚ 5th Edn. in SI units Smith and Hashemi Copyright © The McGraw-Hill Companies‚ Inc. Permission required for reproduction or display PowerPoint Lecture Slides for Foundations of Materials Science and Engineering Fifth Edition William F. Smith
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The carcinogenic nature of N-nitrosamines depends on the organs. For example‚ their targets for cancer in rodents include thyroid‚ pancreas‚ urinary bladder‚ trachea‚ lung‚ oral and nasal cavities‚ esophagus‚ kidney and liver. With respect to N-nitrosamides‚ skin‚ bone‚ peripheral nervous system‚ brain‚ small intestine and glandular stomach are targeted organs for cancers. Besides cancer‚ acute myelocytic leukemia and T and B cell lymphoma have also been triggered by N-nitrosamides. In table 8.1
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Australian College of Business and Technology CHE001- CHEMISTRY UNIT OUTLINE – Trimester 1‚ 2013 Module Name: | Chemistry | Module Code: | CHE001 | Nominal Duration: | 52 Hours (4 hours/week | Discipline: | Stream Module * Engineering * Science (Health Sciences) * Science (Physical Sciences) | Module Purpose: | This module introduces the study of matter and its interactions thereby providing a link with other branches of natural science. It’s designed to assist students
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Answer: Plastic was thought to be a boon but it turned out to be a curse. Plastic can be very harmful as it produces harmful gases when it is burned. As it is non bio degradable‚ it is harmful to the soil and takes hundreds of years to degrade or decompose. Plastic is a boon for man but it is a curse for the master. It makes life comfortable for man but life tiring for the environment. Once animals have eaten it and due to choking they die Plastic is very harmful to living things. We
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