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characteristics of chemical industry

What is the characteristics of chemical reaction? Such metals as steel, lead, copper, and zinc are produced in reasonably pure form and are later fabricated into useful shapes. Statistics from the chemical industry as a whole can be misleading because of the practice of lumping together such products as inexpensive sulfuric acid and expensive dyes or fibres; included in some compilations are cosmetics and toiletries, the value of which per pound may be artificially high. Japan in the 1960s came into prominence as a very large producer in certain areas. Chemical industry, complex of processes, operations, and organizations engaged in the manufacture of chemicals and their derivatives. Yet the steel industry, for example, is not considered a part of the chemical industry. The petroleum industry is usually thought of as separate from the chemical industry, for in the early days of the petroleum industry in the 19th century crude oil was merely subjected to a simple distillation treatment. 1 answer. The gas X reacts with lime water to give a compound Y which is used as a bleaching agent in chemical industry. Please select which sections you would like to print: Corrections? For example it contributes over 1% to the Gross National Product (GNP) of European countries, which is over 6% of the total GNP produced by all manufacturing industries. Numerous personnel are present. what are the main characteristics of dry woodland. In modern metallurgy, such metals as titanium, tantalum, and tungsten are produced by processes involving great chemical skill, yet they are still classified as primary metals. Save 50% off a Britannica Premium subscription and gain access to exclusive content. Early in the 20th century there was a marked distinction between economies that were based on coal as a fossil fuel and those based on petroleum. Give one example each of which illustrates the following characteristics of a chemical reaction: In one of the industrial processes used for manufacture of sodium hydroxide, a gas X is formed as by product. Investment in the chemical industry as a percentage of total investment in a given country may range from 5 to 15 percent for the less-developed countries; for the industrial countries it averages about 6 to 8 percent. asked Oct 20, 2017 in Class X Science by akansha Expert (2.2k points) 0 votes. Because of the competitiveness within the chemical industry and among the chemicals, the chemical industry spends large amounts on research, particularly in the highly industrialized countries. First, aromatics can now also be obtained from petroleum, and indeed all hydrocarbon raw materials are now almost interchangeable; second, modern transportation technology makes possible very large-scale shipments by sea not only of petroleum, crude or in various stages of refinement, but also of natural gas, refrigerated and condensed to a liquid. But the classification does not include the man-made fibres, although the preparation of the raw materials for such fibres is as chemical as any branch of manufacture could be. Wide variety of fine chemicals, there are inorganic compounds, organic compounds, polymers and their complexes. The large-scale chemical plant is characterized by large pieces of equipment of odd shapes and sizes standing immobile and independent of one another. The products are most often end products only as regards the chemical industry itself; a chief characteristic of the chemical industry is that its products nearly always require further processing before reaching the ultimate consumer. Coal was almost the unique source of the aromatic hydrocarbons. There are many routes to the same product and many uses for the same product. For purposes of simplicity, various divisions of the chemical industry, such as heavy inorganic and organic chemicals and various families of end products, will be described in turn and separately, although it should be borne in mind that they interact constantly. Describe any three main features of chemical industry ? Describe any three main features of chemical industry. Generally personnel in the industry are among the most well rewarded of all manufacturing industries because the industry has the largest proportion of … The terms heavy chemical industry and light chemical industry, however, are not precisely exclusive, because numerous operations fall somewhere between the two classes. Our editors will review what you’ve submitted and determine whether to revise the article. By signing up for this email, you are agreeing to news, offers, and information from Encyclopaedia Britannica. The chemical industry converts these raw materials into primary, secondary, and tertiary products, a distinction based on the remoteness of the product from the consumer, the primary being remotest. The chemical industry is a very important contributor to the wealth of a country. List two characteristics of cork. For some developing countries this percentage can fluctuate widely; for example, the installation of one sizable fertilizer factory could change the percentage markedly in a specific country. An additional source of confusion is that in some cases the production is quoted not in tons of the product itself but in tons of the content of the important component. The complicated characteristics of the chemical industry, https://www.britannica.com/technology/chemical-industry, The Essential Chemistry Industry online - The chemical industry. Name the chemical present in them and mention its role. Identify X and Y giving the chemical equation of the reactions involved. Two forces, however, have worked together to change this situation. The gas X reacts with lime water to give a compound Y which is used as a bleaching agent in chemical industry. Black Friday Sale! The percentage of revenue spent on research varies from one branch to another; companies specializing in large-volume products that have been widely used for many years spend less, whereas competition in the newer fields can be met only by intensive research efforts. The boundaries of the chemical industry, then, are somewhat confused. Further processing leads to many derivatives that are used as additives in the textile, pharmaceutical, and cosmetic industries; as emulsifiers in the application of insecticides and fungicides; and as demulsifiers for petroleum.

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