Periodic Table Lab Look up all the halogens‚ give their name and formula. Describe what each one looks like under normal conditions. Halogens contain salts and they are: 1. Flourine F Normal Conditions- Gas 2. Chlorine Cl Normal Conditions- Gas 3. Bromine Br Normal Conditions- Liquid 4. Iodine I Normal Conditions- Solid 5. Astatine At Normal Conditions- Solid Give the names and formulas of three compounds that contain one element from the Noble Gas family. 1. Helium He 2. Neon
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in metallurgy industry‚ the chromites and josephinite oxidizing calcining ‚ calcining of dewalquite and clinker aggregate and aluminum hydroxide roasting in aluminum factory; Chemical engineering rotary kiln is used in chemical plant for chromium ore and chromium ore powder roasting. The limestone kiln( activity limestone kiln ) is used for calcining activity lime and dolomite in iron and steel plant and ferroalloy works Rotary kiln is the equipment which is widely used for dealing with solid material
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[ptF6] ii. [Co (NH3)5 (ONO)] CL2 iii. K3 [Co NO2)6] iv. [Cr (en)3 ] CL3 3. Write down the structures of the following Complexes i. Hexamine chromium (III) hexacyano cobaltate (III) ii. Triammine chloroplatinium (II) ammine trichloro palatinate (II) iii. Tris (ethylenediamine) chromium (III) hexacyano cobaltate (III) iv. Potassium Hexacyano ferrate (II) 4. Describe the type of complex and hybridization of the following complexes i.
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chemical kiln and lime kiln according to different materials. Cement kiln is used for making of cement clinker and there are dry and wet methods to make cement. Metallurgy chemical kiln is used in metallurgy industry and ironworks for lean iron ore‚ chromium ore and ferronickel ore calcination‚ which is used for calcining of high aluminum vandal ochre in refractory material industry; for calcining of calotte and aluminum hydroxide in aluminum manufacturer; for calcining of chrome sand ore and chrome
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anti-corrosion capabilities required by their different uses. Stainless steel‚ which has eighteen percent chromium and eight percent nickel alloyed to it‚ is valued for its anti-corrosive qualities. Some iron-based alloys like Alnico-4‚ consists of 55% iron‚ 28% nickel‚ 12% aluminium‚ and 5% cobalt‚ are used as magnets. Other alloys‚ such as Nichrome‚ a nickel based alloy with 12-15% chromium and 25% iron‚ are very strong at high temperatures. They are used in power-generating plants‚ jet engines
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B. Chromic Acid Test/ Jones Oxidation This test is based on the reduction of chromium(IV)‚ which is orange‚ to chromium(III)‚ which is green‚ when an alcohol is oxidized by the reagent. A change in color of the reagent from orange to green represents a positive test. Primary alcohols are oxidized by the reagent to carboxylic aicds; secondary alcohols are oxidized to ketones. Tertiary alcohols are not oxidized at all by the reagent. Hence‚ this reaction can be used to distinguish tertiary alcohols
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Solder (/ˈsoʊldə/‚[1] /ˈsɒldə/[1] or in USA /ˈsɒdər/[2]) is a fusible metal alloy used to join together metal workpieces and having a melting point below that of the workpiece(s). Soft solder is typically thought of when solder or soldering is mentioned‚ with a typical melting range of 90 to 450 °C (190 to 840 °F).[3] It is commonly used in electronics‚ plumbing‚ and assembly of sheet metal parts. Manual soldering uses a soldering iron or soldering gun.Alloys that melt between 180 and 190 °C (360
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Associate Program Material History of Rock Worksheet Write a 500- to 750-word explanation regarding the role of plate tectonics in the origin of igneous rocks. | Plate tectonics play a major role in the origin of igneous rocks. Igneous rocks are called fire rocks and are formed either| |underground or above ground. Underground‚ they are formed when the melted rock‚ called magma‚ deep within the earth becomes trapped| |in small pockets. As these pockets of magma cool slowly underground
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Introduction: Upon doing research on heavy metals in our water ways I have come to realize that almost all heavy metals can be found in our rivers‚ streams and drinking water. Aluminum‚ Arsenic‚ Chromium‚ Copper‚ Iron‚ Lead‚ Manganese‚ Nickel‚ Silver‚ and Zinc are all chemical elements. Chromium‚ Copper‚ Iron‚ Manganese‚ Nickel‚ Silver‚ and Zinc which are yellow on the periodic table are considered transitional metals. Aluminum and Lead which are light blue on the periodic table are considered
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be limited if one wants to lose weight. This is because sugar makes you feel more hungry and you tend to eat more. Also with increased sugar consumption‚ you excrete chromium‚ which is meant to help the body in building the lean tissues that aid calorie burning. With reduced sugar‚ you would be able to maintain high levels of chromium thus keeping the calorie burning tissues in place. Tip 4: Get more Fiber Hunger can be curbed largely if adequate fiber is introduced to the diet. The roughage
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