C1 PART 1 0.0 / 5 ? ChemistryC1- Atoms,Compounds and LimestoneIGCSEAQA Created by: RoshniraiiCreated on: 09-04-14 10:53 What is the charge of Proton,Neutron and electron? +1, 0, -1 1 of 8 What is an element? An element is a substance made out of only 1 type of atom 2 of 8 What is a compound? A substance made out of 2 or more different types of element which are chemically bonded together 3 of 8 What are the benefits of limestone quarrying? Provide jobs[social], large demand of limestone for buildings etc. 4 of 8 What are the problems of limestone quarrying? [environ] take up land space therefore unavailable for farming. Noise, pollution,traffic 5 of 8 Describe the lime cycle CaCo3 + heat>CaO+H2O>Solid calcium hydroxide+More H20>Calcium Hydroxide solution+CO2>Limestone 6 of 8 How can you use products from the lime cycle? -neutralises excess acidity in lakes -neutralises acidic waste gases 7 of 8 Name products of limestone Cement, Mortar & Concrete 8 of 8
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