C1 3.4 - 3.6 0.0 / 5 ? ChemistryExtracting metals /The reactivity seriesGCSEAQA Created by: kieraharding1Created on: 19-12-16 16:12 What is the problem with copper- rich ores? They are a limited resource and in danger of running out. 1 of 6 Why is it important to not let sulfur dioxide into the air? Causes acid rain. 2 of 6 Smelting and Purifying costs a lot of money, why is this? They use huge amounts of heat and electricity. 3 of 6 What other disadvantage (other than being expensive) does smelting and purifying cause? Has a big impact on the environment. 4 of 6 Name some uses of steel in the building industry. Steel girders supporting skyscrapers, suspension bridges use thick steel cables and concrete bridges are reinforced with steel rods. 5 of 6 What are the drawbacks of steel? The iron in it rusts, stainless steel is much more expensive so hard find replacement, expensive to prevent rusting (paint, coatings) 6 of 6
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