UNIVERSITY OF CAMBRIDGE INTERNATIONAL EXAMINATIONS General Certificate of Education Ordinary Level CHEMISTRY Paper 1 Multiple Choice May/June 2005 1 hour Additional Materials: Multiple Choice Answer Sheet Soft clean eraser Soft pencil (type B or HB is recommended) 5070/01 w w w e tr .X m eP e ap .c rs om READ THESE INSTRUCTIONS FIRST Write in soft pencil. Do not use staples‚ paper clips‚ highlighters‚ glue or correction fluid. Write your name‚ Centre number and candidate number on the answer
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|0 |0 |4 |2 | |PHA-312 |Pharmaceutical Chemistry-I (Inorganic Pharm. Chemistry) |3 |0 |0 |3 | |PHA-313 |Pharmaceutical Chemistry-I (Inorganic Pharm. Chemistry) Practical |0 |0 |4 |2 | |PHA-314
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Topic 6 Microscopic World II Unit 23 Shapes of molecules Unit 24 Bond polarity and intermolecular forces Key C o ncepts Microscopic World II Shapes of molecules • Covalent molecules with non-octet structures • Shapes of molecules • The VSEPR theory • Molecular crystals of buckminsterfullerene (C60) • Carbon nanotubes Bond polarity and intermolecular forces • Electronegativity and bond polarity • Van der Waals’ forces • Factors affecting the strength
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CONSERVATION OF MEDICINAL PLANTS INTRODUCTION India ranks sixth under world’s twelve mega bio-diversity zones. Out of these‚ two ofthem exist in our country. India possesses tremendous ecological bio-diversity. Itcontains 5 % of the world’s bio-diversity on 2 % of the earth’s surface. Thebiodiversity in our country is unique in nature and its in-situ and ex-situ conservationis very well needed. In recent years‚ the global demand of herbs has led to a quantumjump in volume of medicinal plants
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General Chemistry‚ Organic Chemistry I and General Physics I‚ along with their respective laboratory sections‚ as well as an Environmental Chemistry course. I will have completed Organic Chemistry II and General Physics II by the end of this current semester. I am working as a stockroom assistant in the Ohio Wesleyan Chemistry Department. It is my responsibility to prepare solutions‚ organize the various scientific instruments‚ and maintain the laboratory facilities for both the general chemistry and
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Chapter 1: Intermolecular Forces: Liquids‚ Solids‚ and Phase Changes Chem 11: General Chemistry 2 Topics 1.1 An Overview of Physical States and Phase Changes 1.2 Quantitative Aspects of Phase Changes 1.3 Types of Intermolecular Forces 1.4 Properties of the Liquid State 1.5 Uniqueness of Water 1.6 The Solid State: Structure‚ Properties and Bonding A hot spring on a snowy day The Kinetic Molecular View of the Three States The characteristic properties of gases‚ liquids
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TRIBAL MEDICINAL PLANTS OF KAMBAKAM HILLS‚ EASTERN GHATS‚ ANDHRA PRADESH‚ INDIA *S.K.M.BASHA‚ E. RAJYALAKSHMI‚ K.V.RAMI REDDY *NBKR Medicinal Plant Research Centre‚ Vidyanagar – 524413‚ SPSR‚ A.P. E-Mail: *drskmbasha@gmail.com ABSTRACT: Kambakam is a Village in Varadaiahpalem Mandal‚ Chittoor District‚ Andhra Pradesh State. Kambakam is located 3.736 km distance from its Mandal Main Town Varadaiahpalem. Kambakam is 99.28 km far from its District Main City Chittoor.Kambakam is located
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Food Chemistry Food Chemistry 95 (2006) 180–185 www.elsevier.com/locate/foodchem Antioxidant activity and hepatoprotective potential of Phyllanthus niruri R. Harish‚ T. Shivanandappa * Department of Food Protectants and Infestation Control‚ Central Food Technological Research Institute‚ Mysore 570 020‚ India Received 5 April 2004; received in revised form 25 November 2004; accepted 25 November 2004 Abstract Antioxidant activity and hepatoprotective potential of Phyllanthus niruri
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Appendix APPENDIX 1 Chemical tests for functional groups Homologous series/ Typical compound Functional group(s) Alkanes CH3CH3 ethane C – C and C–H Alkenes CH2 = CH2 ethene C=C Chemical tests/Observations Add liquid bromine in ultraviolet light (or sunlight): White fumes of HBr liberated; decolourisation of bromine occurs slowly (a) Add Br2 in CCl4 at room temperature: Decolourisation of bromine occurs immediately CH2 = CH2 + Br2 → CH2BrCH2Br (b) Add acidified
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Why Medicinal Marijuana Should be Legal For the past decade‚ talk of Medical Marijuana legalization has been a huge debate in the United States. Individuals on both sides of the issue refuse to concede to each other. Everyone is convinced that their opinion on the issue is the right opinion. Doctors and Physicians on both sides have researched this issue to the end. My question to those who oppose; is marijuana more harmful than the prescription drugs Doctors so easily prescribe today? I understand
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