3-2-3-1-Conventional Culture Method (Marks 1972): The infected lesions of the tuberculin positive reactors were collected and placed in to a sterile mortar containing sterile sand. The fat was removed and the suspected parts were cut into minute pieces. Then 2 ml of distilled water added to the mixture‚ homogenized and crushed well until the suspension was obtained. Then 2 ml of H2So4 acid 4% added to the mixture then incubated the mixture at 37 0C for 1/2 h. The mixture was diluted with
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Table of Contents Laboratory Safety and Laboratory Guidelines Common and Special Laboratory Equipment Materials and Other Requirements Common Laboratory Operations and Techniques Experiment 1 …………………………………………………………………………..10 Properties of Matter Experiment 2 …………………………………………………………………………. 12 Chemical Changes Experiment 3 …………………………………………………………………………. 15 Classification of Matter Experiment 4 …………………………………………………………………………
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A diagram of the voltaic pile is shown below: Blotting paper soaked in Zinc metal H2SO4 (aq) Copper metal One cell Which of the following statement(s) is/are correct? 1 2 3 The overall equation of the reaction occurring in the cell is Cu2+ + Zn Zn2+ + Cu. Zinc is the anode‚ while copper is the cathode. cathode The e.m.f. of the voltaic pile can be increased by stacking more elements 37 When drops of NaOH
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HOW ARE REDOX REACTIONS DIFFERENT? Redox is the term used to label reactions in which the acceptance of an electron (reduction) by a material is matched with the donation of an electron (oxidation). A large number of the reactions already mentioned in the Reactions chapter are redox reactions. Synthesis reactions are also redox reactions if there is an exchange of electrons to make an ionic bond. If chlorine gas is added to sodium metal to make sodium chloride‚ the sodium has donated an electron
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Digestion is a process in which the food that we eat is broken down into tiny nutrients to be taken in by the body. Within the human digestive system‚ chemical and physical reactions occur that allow for the digestion and the absorption of proteins into the bloodstream. The purpose of this paper is to show how chemistry relates to the daily functions within the body. There are two types of digestion processes‚ which are called mechanical and chemical digestion. Mechanical digestion includes the
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CHAPTER ONE INTRODUCTION Croton is an extensive flowering plant genus in the spurge family‚ Euphorbiaceae‚ established by Carl Linnaeus in 1737. The plants of this genus were described and introduced to Europeans by George Eberhard Rumphius. The common names for this genus are rush foil and croton‚ but the latter also refers to Codiaeum variegatum. The generic name comes from the Greek κροτον (kroton)‚ which means "tick" and refers to the shape of the seeds of certain species (Gledhill‚ 2008).
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2¯ beryllium ion S sulfide example‚ the stem magnesium ion Se2¯ selenide for bromide is calcium ion Te2¯ telluride brom-. strontium ion barium ion Ag + silver ion N 3¯ nitride radium ion Ni2+ nickel ion P 3¯ phosphide 3+ 3¯ zinc ion Al aluminum ion As arsenide Systematic name (Stock system) copper(I) copper(II) iron(II) iron(III) tin(II) tin(IV) chromium(II) chromium(III) manganese(II) manganese(III) Common name cuprous cupric ferrous ferric stannous
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Scribd Extrascore Sample Questions - Answers Q.1: What are the µlaws of chemical combination¶? Ans: There are two important laws of chemical combination established by Lavoisier‚are as follows: (i) Law of Conservation of Mass The law of conservation of mass states that mass can neither be created nor destroyedin a chemical reaction.(ii) Law of Constant Proportions The Law of Constant Proportions which is also known as the Law of DefiniteProportions‚ was established by Proust
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T.I.T COLLEGE OF PHARMACY ANAND NAGAR‚ BHOPAL 2009-2010 INDUSTRIAL TRAINING REPORT ON SCHON PHARMACEUTICALS Ltd. INDORE ( M.P ) SUBMITTED BY SUBMITTED TO WASIM AHAMAD 0150PY061057 DR.B.K.DUBEY M.PHARMA‚ Ph.D T.I.T COLLEGE OF PHARMACY Page 1 T.I.T COLLEGE OF PHARMACY ANAND NAGAR‚ BHOPAL (Approved by AICTE ‚ New Delhi and recognized by Govt. of Madhya Pradesh affiliated to RGPV Bhopal) CERTIFICATE This is to certify that Mr.Wasim ahamad Enrollment No.0150py061057
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Last Name ____________________First Name _______________________ Ignore: 5‚ 7‚ 19‚ 30 1. | How many grams of CaCl2 (molar mass = 111.0 g/mol) are needed to prepare 4.44 L of 0.500 M CaCl2 solution? | | A) 369 g B) 271 g C) 258 g D) 296 g E) 246 g | 2. | An aqueous solution of ammonium sulfate is allowed to react with an aqueous solution of lead(II) nitrate.The complete ionic equation contains which of the following species (when balanced in standard form)? | | A)
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