Study material CHEMISTRY CLASS: XII KENDRIYA VIDYALAYA SANGATHAN LUCKNOW R E G I O N 2009-2010 Study Material Class XII -Chemistry SHRI RANGLAL JAMUDA IAS‚COMMISSIONER CHIEF Patron KENDRIYA VIDYALAYA SANGTHAN NEW DEHLI SHRI M.S Chauhan Asst. Commissioner Patron Kendriya Vidyalaya Sangthan Lucknow Region SHRI S.S. Rawat Guidance Smt. A.N Siddiqui (Education officer) (Education officer) SHrI K.‚M. Bhatnagar (Education officer) Co-ordinator SHRI. T. Singh Principal K.V. No. 2
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CM 1401 Practice Trial This paper consists of 5 MCQ and 5 free r esponse questions. Complete all the questions below. 1) For H Atom‚ select the on e that best represent the electron level diagram. a . S b. c. d. none of the above ( ) Choose 2) Which of the following is fa lse about MO theory? a) no. of atomic orbital formed will be the sam e as the
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SAFETY General WHMIS beforehand – no messing around on anything‚ no food/drink anywhere PPE – goggles‚ coat‚ feet Treatment Skin Chem: emergency shower – TA/HS Eye Chem: eye wash – 10 mins. TA/HS Fire Emergency kill switch for gas‚ electricity and water – leave and set the alarm Stop drop and roll Apparati should be clear of any controls or switches‚ keep vapours to minimum/take need Extinguishers – on the wall inside each 1st year lab Class A - ordinary combustibles
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Learning Goal: To understand how the scientific method can be used to search for explanations of nature. The scientific method is a procedure used to search for explanations of nature. The scientific method consists of making observations‚ formulating hypotheses‚ designing and carrying out experiments‚ and repeating this cycle. Observations can be either quantitative or qualitative. Quantitative observations are measurements consisting of both numbers and units‚ such as the observation that ice melts
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Helsinki University of Technology Department of Mechanical Engineering Energy Engineering and Environmental Protection Publications Steam Boiler Technology eBook Espoo 2002 Basics of Steam Generation Sebastian Teir Helsinki University of Technology Department of Mechanical Engineering Energy Engineering and Environmental Protection Table of contents Introduction.......................................................................................................................
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Waals forces‚ but weaker than ionic and covalent bonds. 3.2 List FOUR properties of ionic compounds. 1. High melting point: 800°C 2. They form crystals 3. Non-conductive in its solid state 4. They have higher enthalpies of fusion and vaporization than
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CH 222 ANALYTICAL CHEMISTRY I SYLLABUS COURSE OUTLINE: a. Introduction (1.5 hours) Classification of types of analysis‚ role and importance of analytical chemistry in various aspects of life. b. Steps in a typical quantitative analysis (10 hours) Emphasis on sampling protocol‚ sample preparation‚ wet chemistry methods‚ statistical evaluation of data. c. Review of concepts of stoichiometry (2 hours) Mole concept‚ concentrations‚ dilution and aliquots d. Review of concepts of equilibria
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The importance of water in Biological Systems Much of the Earths surface is comprised of water‚ as well as much of biological systems; for instance‚ the human body consists of approximately 70% of water‚ and in other biological organisms this figure could even be 95%. This largely relies on the bonding of water‚ whereby two hydrogen atoms bond to one oxygen atom; hydrogen bonding is the strongest intermolecular force due to its high polarity. Hence‚ what is the biological importance of water?
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~ Indian Institute of Technology Kharagpur Department of Chemistry Spring 2011-2012 Mid-semester Exam Time: 2 Hrs No. of Students: 700 Subject No: CY11001 Full Marks: 30 Subject Name: Chemistry (1st Year) Instructions: (a) Attempt ALL the questions. (b) All parts of a question MUST be answered together. (c) Numerical results MUST be reported in SI units. (d) Explicitly mention the sign convention used. (e) Clearly state whether you are using oxidation or reduction potentials in
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Experiment 1 Separation of Mixtures Summary of Principles: Most of the materials we encounter in everyday life are not pure substances. Many materials such as sand are formed from physical combination of various substances‚ and are called mixtures. Mixtures can be classified into homogeneous and heterogeneous. The purpose of this lab is to learn how to separate individual components from a mixture through decantation‚ filtration‚ distillation‚ and crystallization. Pre-Lab Questions: Attached
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