Also the Standard International Trade Classification, published by the United Nations, includes explosives and pyrotechnic products as part of its chemicals section. give the characteristics of chemical industry? The first division to be discussed is the heavy inorganic chemicals, starting at the historical beginning of the chemical industry with the Leblanc process. Both types of plant require large amounts of capital. 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. Let us know if you have suggestions to improve this article (requires login). 1 answer. Although the chemical industry may be described simply as the industry that uses chemistry and manufactures chemicals, this definition is not altogether satisfactory because it leaves open the question of what is a chemical. Japan in the 1960s came into prominence as a very large producer in certain areas. Black Friday Sale! Chemical industry, complex of processes, operations, and organizations engaged in the manufacture of chemicals and their derivatives. Coal was almost the unique source of the aromatic hydrocarbons. 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. Such metals as steel, lead, copper, and zinc are produced in reasonably pure form and are later fabricated into useful shapes. An average chemical product is passed from factory to factory several times before it … An average chemical product is passed from factory to factory several times before it emerges from the chemical industry into the market. Thus, paradoxically, the chemical industry is its own best customer. asked Oct 20, 2017 in Class X Science by akansha Expert (2.2k points) 0 votes. 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. Few personnel are in evidence. what are the main characteristics of dry woodland. In most fields the United States is the largest producer of chemicals. Describe any three main features of chemical industry. The terms heavy chemical industry and light chemical industry, however, are not precisely exclusive, because numerous operations fall somewhere between the two classes. Yet the steel industry, for example, is not considered a part of the chemical industry. 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. Germany, the United Kingdom, France, Italy, and some other European countries are also large producers, and so is the Soviet Union. List two characteristics of cork. Long rows of distilling columns are prominent, but, because the material being processed is normally confined in pipes or vessels, no very discernible activity takes place. 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. Definitions adopted for statistical economic purposes vary from country to country. 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. The gas X reacts with lime water to give a compound Y which is used as a bleaching agent in chemical industry. This equipment is housed in buildings like those for, say, assembling light machinery. 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. Its main raw materials are the fossil fuels (coal, natural gas, and petroleum), air, water, salt, limestone, sulfur or an equivalent, and some specialized raw materials for special products, such as phosphates and the mineral fluorspar. The large-scale chemical plant is characterized by large pieces of equipment of odd shapes and sizes standing immobile and independent of one another. Generally personnel in the industry are among the most well rewarded of all manufacturing industries because the industry has the largest proportion of … Please select which sections you would like to print: Corrections? Omissions? 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. Identify X and Y giving the chemical equation of the reactions involved. 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. 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. State the various characteristics of chemical reactions. Wide variety of fine chemicals, there are inorganic compounds, organic compounds, polymers and their complexes. Describe any three main features of chemical industry ? Name the chemical present in them and mention its role. The scope of the chemical industry is in part shaped by custom rather than by logic. By signing up for this email, you are agreeing to news, offers, and information from Encyclopaedia Britannica. Dow Chemical plant in South Charleston, West Virginia. Metals in a sense are chemicals because they are produced by chemical means, the ores sometimes requiring chemical methods of dressing before refining; the refining process also involves chemical reactions. 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. The two classes do, however, at their extremes correlate with other differences. Updates? The gas X reacts with lime water to give a compound Y which is used as a bleaching agent in chemical industry. What is the characteristics of chemical reaction? The largest use for ethylene glycol, for example, is as an automobile antifreeze, but it is also used as a hydraulic brake fluid. There are many routes to the same product and many uses for the same product. Our editors will review what you’ve submitted and determine whether to revise the article. For example, the appearance of two kinds of plants is characteristically different.

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