Materials 1. Sand 2. CuSO4 · xH2O salt 3. Evaporating dish 4. Analytical balance 5. Small testtubes 6. Drying flask 7. Thermometer 8. Electrical heater Experimental Procedure Results and calculations Mass of Test tube : 15.8945g Mass of Test tube + CuSO4 ∙ xH2O salt : 17.6698g Mass of Test tube + CuSO4 ∙ xH2O salt after heat for
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Nutrition in Plants – Mineral Nutrition- essential minerals for plant growth MODULE - 2 Forms and Function of Plants and Animals 9 Notes NUTRITION IN PLANTS – MINERAL NUTRITION Sometimes you may observe that a potted plant kept in sunlight and provided with sufficient water does not grow. Its leaves look pale and weak. Plant may not even flower properly. Such a situation is an indication‚ that the plant may not be getting all that is required for normal growth and development. In most of such
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General ColleGe Chemistry LabPaq / Published by: Hands-On Labs‚ Inc. sales@HOLscience.com / www.HOLscience.com / Toll Free 866.206.0773 a laboratory manual of small-scale experiments for the independent study of General College Chemistry 50-0125-CK-01 LabPaq® is a registered trademark of Hands-On Labs‚ Inc. (HOL). The LabPaq referenced in this manual is produced by Hands-On Labs‚ Inc. which holds and reserves all copyrights on experiences. The laboratory manual included with a LabPaq
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SNC2D0 Exam Review BIOLOGY: Cells‚ Tissues‚ Organs and Organ Systems 1. Compare and contrast the following terms: a) Endoplasmic reticulum and golgi apparatus b) Mitochondria and nucleus c) Cell wall and cell membrane d) Cell cycle and mitosis e) Cell cycle and cancer f) Tissue and organ system g) Digestive system‚ circulatory system‚ and respiratory system h) Root system and shoot system i) Phloem and xylem vessel 2. On a separate piece of paper‚ draw a labeled diagram of an animal
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H2O (d) Ca(OCl)Cl + NH3→ CaCl2 + N2 + H2O 3. Which of the following reaction is not possible under standard conditions( 250C and 1 atm. pressure)? (a) Fe + ZnO → Fe2O3 + Zn (c) Cu + AgNO3 → Ag + Cu(NO3)2 (c)Al + Mn3O4 → Mn + Al2O3 (d) Ca + NaCl → CaCl2 + Na 4. Which of the following will not react with conc. NaOH ? (a) Zn(OH)2 (b) PbO (c) Al(OH)3 (d) Mg(OH)2 5. A white solid(X) on treatment with dilute HCl produces a reddish brown gas. The compound (X) gives a pungent smelling gas (Y) on heating
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Plant Tissue Culture 151 Chapter 9 Plant Tissue Culture Techniques Lorraine Mineo Department of Biology Lafayette College Easton‚ Pennsylvania 18042 Lorraine Buzas Mineo (B.S.‚ Muhlenberg College; M.A.‚ Duke University) is a lecturer in the Department of Biology‚ Lafayette College‚ and has taught botany since 1978 and supervised the General Biology Laboratories since 1970. Research interests in physiological and forest ecology have culminated in several publications. Other interests include
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Determination of Trace Amount of Copper and Zinc in an Aqueous Solution by Atomic Absorbance Spectroscopy Abstract: The purpose of this experiment is to analyze a sample containing copper and zinc in trace amounts‚ where standard addition method was used and the instrument used is the atomic absorbance spectroscopy. The amount of copper obtained was 0.569 ppm ± 0.015 and for zinc we obtained 0.42 ppm ± 0.0027. Introduction: This method implies the excitation of particles in the solution sample
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Fertilizers typically provide‚ in varying proportions: six macronutrients: nitrogen (N)‚ phosphorus (P)‚ potassium (K)‚ calcium (Ca)‚ magnesium (Mg)‚ and sulfur (S); eight micronutrients: boron (B)‚ chlorine (Cl)‚ copper (Cu)‚ iron (Fe)‚ manganese (Mn)‚ molybdenum (Mo)‚ zinc (Zn) and nickel (Ni) (1987). The macronutrients are consumed in larger quantities and are present in plant tissue in quantities from 0.15% to 6.0% on a dry matter (DM) (0% moisture) basis. Micronutrients are consumed in smaller
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RCA Critical Cleaning Process This paper was especially prepared by Werner Kern‚ the inventor of the RCA clean. Introduction The manufacturing of a silicon integrated circuit (IC) requires 500-600 process steps‚ depending on the specific type of device. Most steps are performed as unit processes with the complete wafers before dicing them into individual chips. Approximately 30% of the steps are cleaning operations‚ which indicate the importance of cleaning and surface conditioning. The device
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Chemistry‚ 2014 UNIT 1 – MATTER TRENDS AND CHEMICAL BONDING History of the atom DEMOCRITUS Smallest particle of matter is called an atom Atoms are in constant motion and have empty space between them ARISTOTLE 4 element theory of matter (earth‚ air‚ water‚ fire) Had different combinations of the 4 qualities: hot‚ cold‚ dry‚ moist JOHN DALTON Expanded on Democritus’s theory: All matter is composed of tiny‚ indivisible particles All atoms of an element have identical properties
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