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    two drops of the Cobalt (II) Nitrate in seven of the wells. I then moved to the next row and placed two drops of Copper (II) Nitrate in the next row‚ into seven of the wells‚ and so on with the other three Nitrates. I then cut off the top of the Sodium Phosphate and added two drops to the Cobalt (II) Nitrate and observed the reaction and recorded the results. Then two drops into the Copper (II) Nitrate‚ observed and recorded‚ same with the remaining three Nitrates. I then moved to the second row‚ and

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    Hkcee Chemistry 2007 Paper 1

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    HKCEE Chemistry 2007 Paper 1 Section A 1. A is a compound formed from oxygen and magnesium‚ while B is a compound formed from oxygen and fluorine. a) Draw the electronic diagram of A‚ showing electrons in he outermost shells only. (1) b) Draw the electronic diagram of B‚ showing electrons in the outermost shells only. (1) c) Compare the melting points of A and B. Explains your answer. Melting point of A is higher than that of B. Ions of A are linked by strong ionic bonds /

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    Chemistry of Arenes

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    Arenes The aromatic hydrocarbons also have the name arenes. They contain in their molecule one or more cycles made up from 6 carbon atoms. When the molecule is formed out of a single cycle‚ the hydrocarbons are mono nucleuses; when the molecule contains more than one cycle‚ the hydrocarbons are poly nucleuses. The simplest aromatic hydrocarbon‚ benzene‚ is compound out of just one such cycle; its formula is C6H6. The representation of benzene through a cycle of 6 carbon atoms with 3 double bounds

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    Chemistry

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    CHAPTER # 1 Q.DEFINE CHEMISTRY. A. Chemistry‚ a branch of physical science‚ is the study of the composition‚ properties and behavior of matter. Chemistry is concerned with atoms and their interactions with other atoms‚ and particularly with the properties of chemical bonds. Chemistry is also concerned with the interactions between atoms and various forms of energy Q.DEFINE THE BRANCHES OF CHEMISTRY. * Physical chemistry is the study of macroscopic‚ atomic‚ subatomic‚ and particulate phenomena

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    Parle G

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    ------------------------------------------------- Parle-G From Wikipedia‚ the free encyclopedia Parle-G biscuit Parle-G or Parle Glucose is a brand of biscuits manufactured by Parle Products in India. As of 2011‚ it is the largest selling brand of biscuits in the world according to Nielsen.[1] Contents   [hide]  * 1 History * 2 Marketing * 3 References * 4 External links ------------------------------------------------- History[edit source | editbeta] Parle Products was

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    Inorganic Chemistry

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    INORGANIC CHEMISTRY – CLASS XI (ISC) Properties of Group 1 elements [Alkali metals] 1. Due to high reactivity‚ alkali metals do not occur free in nature. Elements of group 1 (or IA) are known as alkali metals because their hydroxides are soluble in water and form strongly alkaline solutions. Alkali metals are stored under kerosene oil because they get tarnished on exposure to air. 2. The general electron configuration of alkali metals is ns1. 3. Alkali metals have largest size and lowest

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    Copper Kettle Catering

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    Copper Kettle Catering Case 1. The operations of Copper Kettle Catering’s delivery-only category is conductive to the application of lean concepts and practices because the Williams’ can efficiently manage the deliver-only process by minimizing excess inventory‚ unnecessary activities‚ movement and material handling. These factors will help to enhance service quality‚ flexibility‚ reliability and improve customer satisfaction. If Copper Kettle Catering has the resources to purchase automated

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    Toxicological Chemistry

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    Toxicological Chemistry - relates the aspects of toxicology to the chemical structure and reactivity of the toxin. It is concerned with the chemical interaction of the toxin with the receptor that gives the physiological response. The ultimate aim is to relate functional group chemistry of both toxin and receptor to the interaction   Toxicity - the degree to which a substance causes damage to an organism Acute toxicity - the adverse effects resulting from a single exposure‚ or exposure over

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    in soil - bushfires 2. describe‚ using equations‚ examples of chemical reactions which release sulphur dioxide and chemical reactions which release oxides of nitrogen - Combustion of coal containing sulphur S(s) (in compound) + O2(g) → SO2(g) - Smelting of sulphide ores (zinc ore) 2ZnS (s) + 3O2 (g) → 2ZnO (s) + 2SO2(g) - Nitrogen combining with oxygen in the atmosphere N2(g) + O2(g) → 2NO(g) - Nitric oxide combining with oxygen in the atmosphere 2NO(g) + O2 (g) → 2NO2(g) 3. Summarise the industrial

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    Chemistry

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    Nuclear Chemistry: The Good vs. the Ugly The definition for nuclear chemistry is the application of chemical techniques to the solution of problems in nuclear physics. This includes the discovery of naturally occurring and synthetic radioactive elements and the results of nuclear fission. There are both pros and cons in nuclear chemistry. People believe that nuclear chemistry is bad for the environment but there are a lot of great things that can come out of this. Things like medical uses‚ food

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