History Kohinoor Chemical Co. (Bangladesh) Ltd. (KCCL) was founded in 1956 and became pioneer in manufacturing high quality beauty and personal care products in this subcontinent. Introducing automatic machinery and constant inflow of state-of-the-art raw materials from the world’s best possible sources‚ KCCL has built high standard in manufacturing quality cosmetics‚ toiletries‚ soap‚ perfume and glycerin etc. It is a Public Limited Company‚ listed with both the bourses of Bangladesh‚ the Dhaka
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Observations of Chemical Changes Observations from Procedures Well#/ Question Chemicals Reaction A NaHCO3 and HCl-CO2 Bubbles B HCl and BTB Turns Orange C NH3 and BTB Still blue- no change D HCl and blue dye Turns green E Blue dye and NaOCl Stays blue – no change F NaOCl and KI Turns pale orange/yellow G KI and Pb(NO3)2 Milky yellow solid H NaOH and phenolphthalein Turns bright pink I HCl and phenolphthalein Bubbles- cloudy J NaOH and AgNO3 Solid formed/ turned brown K AgNO3 and NH3 No change
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Data Tables: Part 1: Chemicals Well No. Observations of the Reaction A. NaHCO3 + HCl A1 Bubbles immediately formed and started popping (not rapidly). This could be seen more easily with the black paper underneath the well plate B. HCl + BTB C1 Once I added the Bromothymol Blue indicator‚ it turned an orange-like color C. NH3 + BTB E1 The reaction turned dark blue. When Bromothymol Blue reacts with an acid‚ it turned orange‚ and when it reacts with a base‚ the end result is blue. D. HCl
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Observations of Chemical Changes Experiment 1 Chemistry 111 September 3‚2014 Ashley Mattox Abstract: The purposes of this lab is to observe the reactions of some common chemicals contained in consumer products and observe the macroscopic changes these chemicals undergo. Purpose: The purpose of the lab is to be able to interpret underlying macroscopic changes in terms of the behavior of atoms and molecules and also to learn how to separate mixtures into their component
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Introduction What is chemical change? Chemical change is the alteration of a substance into one or more different substances with different properties (also called chemical reaction). The four different types of chemial reations are synthesis‚ decomposition‚ single displacement‚ and double displacement. Synthesis is when atoms and/or molecules combine to form larger molecules. Decomposition is when a large molecules are split into elements or smaller molecules. Single Displacement has an element
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Eggs are a key ingredient used to make a foam. Investigate the functional and chemical properties of eggs and other ingredients when making meringue. Chemical and Functional properties of eggs: Background information Eggs give a smoother texture to microwaveable dishes‚ frozen dishes are better to freeze. The yolk and the egg white cam be used in many different ways for different products of food. Eggs contain a lot of protein and a balance of other nutrition. Some producers require fresh eggs to
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NYIT School of management Report CASE STUDY 22: VICTORIA CHEMICALS PLC(A) CAPITAL BUDGETING DECISIONS SUBMITTEDTO: DR.RAJA NAG PREPARED BY: SEVTAP BATIR HONEY MEHTA JUN HUANG NYIT School of management Report CASE 22 Victoria Chemical In 2007‚ Victoria Chemicals experienced a significant drop in its improve its performance as its earnings had fallen 38% from 250 pence per share to 180
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1 UNIT 9 CHEMICAL KINETICS 1. (c) mole 1–1 sec–1 The rate law for a reaction A + B →products‚ is rate = k [A]1[B]2. 7. Then‚ which one of the following statements is false ? (a) If [B] is held constant while [A] is doubled‚ the reaction will proceed twice as fast. (b) If [A] is held constant while [B] is reduced to one quarter‚ the rate will be halved (c) If [A] and [B] are both doubled‚ the reaction will proceed 8 times as fast. 2. Fro a first order reaction‚ a straight
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Allison Lankford January 20‚ 2012 January 22‚ 2014 Title: Observation of Chemical Changes Purpose: To observe properties of chemical reactions and to associate chemical properties with household products. Procedure: I used different kinds of chemicals to see the chemical changes that occur when they are mixed together. Data Tables and Observations: CHEMICALS REACTIONS NaHCO3 Bubbles are formed HCl & BTB Turns an orange color NH3 & BTB Turns a dark blue color HCl & blue dye
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Introduction The reaction rate of a chemical reaction is determined as the change in the concentration of a reactant or product over the change in time. [1] The rate of a reaction is determined by experiment. Many factors influence the rate of a reaction: the nature of the reaction‚ concentration‚ pressure‚ temperature‚ and surface area‚ presence of catalyst and intensity of light. [2] For a chemical reaction‚ the rate law or rate equation is a mathematical expressed equation that links the reaction
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