What is the Chemical Basis of Colour in Fireworks? Abstract: The purpose of the first experiment was to see the light spectra of different elements‚ and confirm that each element shows unique emission spectra‚ in terms of being able to identify an unknown substance. The analysis is expected to show that elements do indeed have unique emission spectra‚ allowing elements to be identified by their emission spectra. After burning different chemicals under a Bunsen burner‚ the colourful light was
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1. Colour Fastness to Light This method is intended for accessing the resistance of the colour of textiles to the action of daylight. Principle: A specimen of the textile is exposed to the light from a Xenon arc lamp under prescribed conditions‚ along with eight dyed wool standards. The fastness is assessed by compared the fading of the textile with that of the standards. Apparatus and Materials: - Blue standards - Humidity Test Control Fabric - Light fastness test apparatus containing
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Othello Paper The tragedy of Othello was caused by the insecurities and changing character of Othello himself. Racism and the villainous Iago both contributed to the evolution of Othello’s character. G.K Hunter the author of “Othello and Colour Prejudice.” Discusses how the prejudices against Othello‚ both in the play and also the prejudices Shakespeare’s audience already conveyed towards darker skinned people‚ were framed to doom Othello from the start. Hunters article gives a historical
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identify the different colors and their meanings. Here is a brief description of the meanings associated with different colors: Blue Color Meaning there are three kinds of colors –cool colors ‚warm colors ‚ mixed cool/warm colors and neutral colours I like blue color the most .Blue is among the most popular colors and can be seen generously in nature. Blue is associated with peace and tranquility. This color also symbolizes loyalty and is often painted in bedrooms as contact with it makes the
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The theme of Alice Walker ’s The Color Purple is very straightforward and simple. Like many other novels devoted to the mistreatment of blacks and black women especially‚ The Color Purple is dedicated to black women ’s rights. Much of the narrative in Walker ’s novel is derived from her own personal experience‚ growing up in the rural South as an uneducated and abused child. In short‚ the goal of this book and indeed all her writing is to inspire and motivate black women to stand up for their
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➔Have you ever imagined life without color? We are so used to seeing colors that they have become something we take for granted. We can judge the significance of colors with the fact that most are associated with our emotions and different activities in life. White symbolizes peace‚ red symbolizes both love & anger‚ yellow is for friendship‚ green implies jealousy. All colors have their own place. But what if our life had no colors? How would things look‚ and most importantly‚ how would our pictures
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Advertising Appeals: Numerous authors have discussed the various types of persuasive appeals that are used during advertising. Although most of their work overlaps‚ there is a difference in the way each author has categorized the various appeals‚ as well as in the degree of importance they have allotted to the appeals with regard to aiding brand recall. (Scott‚ L.A. (1994) Advertising appeal may be defined as “The approach used to attract the attention of consumers and/or to influence their
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The World Without Us‚ by Alan Weisman‚ is a book which demonstrates what the world would look like if all humans suddenly vanished‚ leaving everything else behind. The book delves into ideas about animals that would evolve and how our structures would deteriorate‚ and also explains how much we as a species have altered our planet. The book offers a hopeful look at the fate of the environment and shows us how powerful nature truly is. First‚ Weisman discussed the fate of our structures. How our
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introduction to the colour psychology The problems arising in the use of colour can be one of the most difficult and many-sided in interior design. Colour has been given a lot of attention in the world-wide practice of interior design and this is not by accident. Numerous studies have been instigated and proved the impact of various colours and their combination on the mood and the operation of people. Natural sciences gathered lots of experimental material about the influence of colour on the human
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‘superpower’ is used to refer to a country with the ability to influence events or project power on a global scale.’ It is difficult‚ if not impossible to envisage a world without a superpower. There are a number of reasons to support this assumption. We begin with the first and most blaring- It is simply difficult to imagine a world without a superpower because history itself has shown that there has yet to come a time when one or more powers do not rise above its counterparts in terms of economic
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