Support Material Exemplar Starter Pages GCE Chemistry B (Salters) OCR Advanced GCE in Chemistry B (Salters): H435 Unit: F336 Chemistry Individual Investigation This Support Material booklet is designed to accompany the OCR Advanced GCE specification in Chemistry B (Salters) for teaching from September 2008. Contents Contents 2 Support Materials 3 Choice of investigation topic 4 Health and Safety 33 Other forms of support 35 Support Materials These support materials should
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PERMANGANATE AND OXALATE ION The reaction between potassium permanganate solution is an example of a redox reaction (oxidation-reduction reaction). The reaction is slow and takes a few minutes to occur. However‚ in the presence of a catalyst such as manganese(II) sulfate‚ the reaction occurs rapidly. 2 MnO4- + 5 C2O42- + 16 H+ 2 Mn2+ + 10 CO2 + 8 H2O C. IODINE CLOCK REACTION The reaction between iodate ion‚ IO3- and sulfite ion‚ SO32- to form iodide ion‚ I- and sulfate ion‚ SO42- is known
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chemically break down the sugar and turn it into energy‚ which is used to do things such as make our muscles move. Also‚ humans are supposed to take in 12 minerals (elements) (calcium‚ iron‚ phosphorous‚ iodine‚ magnesium‚ zinc‚ selenium‚ copper‚ manganese‚ chromium‚ molybdenum and chloride) a day as well. In total some 60 chemical elements have been found in the human body alone. These chemical elements are needed to continue bodily processes like breathing‚ digesting food‚ and thinking. Chemistry
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How to Repair Liner Plate in Ball Mill Domestic high manganese steel has been gradually replaced by alloy steel liner plate. With the application of alloy steel liner plate‚ it has become the market mainstream. Ball mill liner plate is used to protect the cylinder body. Many customers complain that liner plate’s life span is too short and the production cost is too high. With advanced technology in producing liner plate‚ KAIYUAN COMPANY can offer first-class quality and reasonable price to customers
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building material‚ mining‚ metallurgy and chemical industry. 2.The materials must be non-flammable and non-explosive materials such as limestone‚ calcite‚ barite‚ dolomite‚ potassium feldspar‚ marble‚ talcum‚ gypsum‚ medical stone‚ rock phosphate‚ manganese ore‚ iron ore‚ glass‚ ceramics‚ active carbon‚ fireproof materials‚ heat preservation materials‚ chemical materials and so on. 3.The material hardness should be below 9Moh and the moisture should be below 6%. The fineness of the finished products
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Rockstar are fully protected by an advanced sealing arrangement‚ comprising upper and lower piston rings and twin banks of upper and lower replaceable labyrinth seals. Mantle and Concave Both mantle and concave are cast from high grade manganese steel. The both parts are machined to ensure accurate location in their mating
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non-cyclic photophosphorylation ? 5. Where in the roots apoplast pathway of water takes place ? Why? 6.Define respiratory quotient. 7. What is meant by turgor pressure ? What is its importance in plants ? 3 marks questions- 8.Why does excess of manganese result in deficiency symptoms of iron‚ magnesium and calcium in plants ? 9.Describe nitrification along with the names of the organisms and equations of chemical reactions ? 10.Represent schematically the non-cyclic photophosphorylation. 11.What
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Calculate the number of moles of hydrogen ions in 100 cm3 of 0.100mol/dm3 hydrochloric acid. (ii) Give an ionic equation to represent the neutralization reaction. Q2. Manganese (IV) oxide catalyses the decomposition of aqueous hydrogen peroxides. In an experiment 50.0 cm3 of aqueous hydrogen peroxide was mixed with 0.50 g of manganese (IV) oxide. The total volume of oxygen formed was measured every 10 seconds. The results of the experiment are shown in the graph. (i) After how many seconds
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countries led the world in natural gas production in 2008? 9. Mineral resources are classified as either non-metallic‚ metallic ferrous‚ or metallic non-ferrous. Fill in the chart below: MINERAL CLASSIFICATION LOCATION platinum tin manganese zinc copper nickel iron ore potassium phosphorus lead gold titanium silver 10. List the world’s top three metals consumed in order. 11. Using the chart above and your text‚ what four countries lead the
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CHAPTER 1 1. List the seven SI base quantities‚ units‚ and symbols. TIME Second (s) 2. Give the correct SI derived units of the following quantities. Density Speed Acceleration Force Pressure kg/m3 Energy 3. Convert the following: μm (Ans. 1.22) a. 1.22 x 10-9 km = b. 6.523 x 10-4 nm = c. 2.5x 10-9 nm3 = d. 30.5 cm/s = e. 9.6 ng/mm2 = 4. Mm (Ans. 6.523 x 10-19) mm3 (Ans. 2.5 x 10-27) km/h (Ans. 1.09 x 106) kg/m2 (Ans. 9.6 x 10-6) Perform the following calculations and
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