changes that are occurring. As each reaction occurs‚ record the well number and observations. 1. Sodium Bicarbonate + Hydrochloric Acid 2. Hydrochloric Acid + Bromothymol blue 3. Ammonia + 1 drop Bromothymol blue 4. Hydrochloric acid + blue dye 5. Blue dye + Sodium Hypochlorite. Observe & add 1 drop of hydrochloric acid. 6. Potassium iodide + Lead Nitrate. A precipitate should form. 7. Sodium hydroxide + phenolphthalein. a. Phenolphthalein is an acid-base indicator. 8. Hydrochloric acid +
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Attitude towards change-competitive products REPORT BY SANTOSHI .M SRIVIDHYA.M INTRODUCTION: Attitudes are overall evaluations that express how much we like or dislike an object or an action. Attitudes are learned‚ and they tend to persist over time. We also have attitudes toward brands‚ product categories‚ ads‚ people‚ countries‚ types of stores‚ universities etc. Attitudes guide our thoughts (the cognitive function)‚ Influence our feelings (the affective function)‚ and Affect our behavior
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There is a large quantity of defective towels‚ fabrics‚ and yarns in storage which suffers from serious defects like pile height variation‚ cut uncut loops‚ pile density variation‚ designing mistakes‚ torn pieces‚ hemming defects‚ shade variation‚ high IPI‚ color contamination‚ low elongation‚ high Uster percentage‚ snarling‚ spirality‚ needle & sinker lines‚ holes‚ uneven dyeing and many more. Big brands do not accept even small defects so it is not possible to use or sell those defective material
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okay to pour the water based layer down the sink drain but the other must go into the designated waste container. State of Sep Funnel Description Picture/Visual 20 mL of water and ethyl acetate with red dye separated by layer The red layer is clearly the bottom water layer since we know the dye was polar and supposed to mix / interact with the water layer. Therefore‚ the top layer must be the ethyl acetate
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3.6 Personal protective equipment (PPE) Personal protective equipment (PPE) are used to protect the workers at the working place against the risk of hazardous chemicals entering the body through inhalation or skin contact. PPE act as supplement and it is not replace the preventive measures. Each working place must use the appropriate PPE. The suitable PPE should be selected with regard to the hazards‚ physical nature and the routes of entry of the chemicals into the human body. PPE must be maintained
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Liquid Chromatography Purpose: The purpose of this lab was to separate substances based on their polarity by using liquid chromatography. Data Table: Red Dye Blue Dye Run#1 Run#2 Run#3 Run#1 Run#2 Run#3 Start of Band(mL) 1.50 2.20 1.00 2.70 3.00 2.00 End of Band(mL) 2.70 3.00 2.00 6.40 5.50 6.00 Beaker Eluant Observations 1 H2O White powder 2 5%isopropyl Red powder 3 28%isopropyl Blue powder 4 70%isopropyl Oily residual Calculations: W = Vend – Vstart
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that is usuall Premium1407 Words6 Pages ink out of teabags II. Rationale The history and usage of ink can be traced back to the 18th century B.C.‚ with the utilization of natural plant dyes‚ animal and mineral inks based on such materials. Ink is a pigment in a liquid form or paste form used as colorants and dyes. Ink provides much of the color... Premium906 Words4 Pages HerbO ink *ABSTRACT: There are many kinds of ink. In our experiment we will use Ti plant as the main component of our ink.
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Punk Hairstyles Punk hairstyles are in a class of their own. Punk Hairstyles express freedom‚ independence and expression. Basically punk culture is more than hairstyles. Punk culture has to deal with clothing‚ jewelry‚cosmetics and hairstyles as the whole part of punk culture. Punk hairstyles emerged in the 1970’s however it became more popular in the 80’s with the help of MTV and popular band influence. The 80’s punk hairstyle included colored hair‚ spikes‚ infamous mohawk and other unconventional
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spirilla. Since bacteria pretty much have the same reflective index as water‚ a bacteria cell must be dyed so that these shapes can be seen. Materials: Petri dish Dropper Cleansing solution Slides Bibulous paper Inoculation loop Crystal violet dye‚ Iodine Acetone Safranin Water from the sink Microscope Clothes pin Bunsen burner Methods: 1. Obtain your slide and draw two circles where your bacteria will go. 2. Connect you Bunsen burner and run your inoculation loop through the flame
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test‚ the objective was to find the test materials that have a reducing sugar. In the reducing sugar test benedicts was used. In the grease spot test‚ the objective was to find all the samples that had a lipid. Another one of the lipid tests were the dye test which was a more specific test to find the substances that all contained a fat by using a solution of Sudan 4 and water. The protein test’s purpose was to determine all the test materials that contained a protein by using biuret solution. The procedure
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