industry in Bangladesh with concentration in producing fertilizer‚ acids‚ alkali‚ ammonia‚ chlorine‚ paper‚ pulp‚ rayon‚ bleaching powder etc. However‚ private sectors have rather been enthusiastic in chemical and allied products namely: pharmaceutical products‚ paints and varnishes‚ edible oil processing‚ soaps and detergents‚ cosmetic and toiletries etc. Chemicals Industries in Bangladesh belong to mainly Chlor-Alkali Plant & its Chlorinated product and Hydrogen peroxide plant. Main products
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Similar to Emerson‚ Muir also writes the sequence of events in a cause-effect manner where the outcome of one event stems the cause of the subsequent event. This writing style serves to control the speed of the reader’s thoughts and allows for a deeper appreciation of what the author is trying to portray much like that of Emerson’s aspect towards nature and writing style. In Muir’s instance‚ Muir is trying to exemplify the idea that nature is the creation of God and therefore a direct connection
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Mixing and Mass Energy Balance CHEM08004: Chemical Analysis and Evaluation 3/26/2014 Mass balance‚ Mixing‚ Absorbance‚ Temperature‚ Weight‚ Product Absorbance‚ Equilibrium‚ Acid‚ Alkali‚ Salt‚ pH‚ Total moles‚ Concentration‚ Potassium Permanganate‚ Ethanoic acid‚ Sodium Hydroxide‚ Sodium Chloride Introduction Mass Balance By the use of mass balances scientists can: Calculate the amounts of raw materials needed for a process‚ estimate the quantity of product that can be made
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EXPERIMENT-1 CHEMICAL REACTIONS AIM: To perform and observe the following reactions and classify them into: (i) Combination reaction (action of water on quick lime) (ii) Decomposition reaction (action of heat on ferrous sulphate crystals) (iii) Displacement reaction (iron nails kept in copper sulphate solution) (vi)Double decomposition reaction (reaction between sodium sulphate and barium chloride) APPARATUS REQUIRED: 1. A rack of at least six clean test tubes and a boiling
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agent‚ particularly in the determination of silica in iron and steel and in cement and other silicate materials. It is also used as a solvent for sulfide ores for the determination of copper and other metals‚ in the separation and determination of the alkali metals sodium and potassium. In the manufacture of anhydrous magnesium perchlorate‚ the best of the absorbents for water in analytical work. It is also a strong standard acid for the titration of bases. A chemical reaction that takes place is actually
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iLab #2 Carbohydrate Tests INTRODUCTION - For this experiment we will be testing four different bacteria with four different tests‚ using glucose‚ lactose‚ and sucrose. Hopefully we will use the information from those test to be able to identify the organisms in each of the samples from the case studies. We will use the results from the four different tests along with the information of how different bacteria react to match up to the case
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Matter: anything that has mass and takes up space Particle Theory: the scientific statements that summarize about particles of matter 1. All matter is made up of particles that contain spaces between each particle 2. Different substances are made up of different types of particles 3. Particles are always in constant motion 4. The movement of particles will increase if temperature rises 5. Particles are attracted to each other Pure substance: a substance that consists of only 1 type of particle
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To determine the percentage by mass of Calcium carbonate in an egg shell Aim: is to find and work out the percentage of calcium carbonate by mass in eggshells by using acid base “back titration” Introduction: Calcium Carbonate‚ CaCO₃‚ is a compound which is polymorphic and therefore means that it can be found in a variety of different objects or organisms. For example: Rocks (limestone‚calcite)‚ sea snail shells‚ Eggshells‚ pearls and many more. This investigation will focus on finding out the
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occur. Some general rules: 1 Most nitrate salts are soluble 2 Most salts containing the alkali metal ions and the ammonium ion are soluble 3 Most chloride are soluble in water except AgCl‚ PbCl2‚ Hg2Cl2 4 Most compounds containing sulphate are soluble in water‚ except BaSO4‚ PbSO4‚ CaSO4 5 Most compounds containing OH- ion are not soluble in water‚ except hydroxides of the alkali metal (Group 1A) and Ba(OH)2 6 Others are minorly soluble in water‚ eg sulphide‚ carbonate‚ chromate
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OUR OWN HIGH SCHOOL‚ Al WARQA’A‚ DUBAI SUMMATIVE EXAMINATION-2‚ MARCH -2014 Name: ______________________________________ Grade: VII Sec: ____ M Marks: 90 Time: 2 1/2 hours Subject: SCIENCE Date: 09/04/2014 General Instructions: 1. This question paper has 4 pages. 2. All questions are compulsory. 3. Question numbers 1 to 10 are questions of one mark each. 4. Questions 11 to 16 are very short answer questions of two marks each. 5. Question numbers 17 to 24 are short answer questions of 3 marks each
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