C1 2.1 0.0 / 5 ? ChemistryThe limestone cycleGCSEAQA Created by: ex-JohnsonfamilyCreated on: 29-03-15 21:04 What is limestone? A rock mostly made from Calcium Carbonate. 1 of 6 Some types of limestone were formed from... ...the remains of tiny animals and plants that lived in the sea millions of years ago. 2 of 6 Powdered limestone can be heated with powdered clay to make... ...cement. 3 of 6 What is the product of mixing cement powder with water, sand and crushed rock? Concrete. 4 of 6 Which chemical process involves breaking down a chemical by heating it? Thermal Decomposition. 5 of 6 What is the symbol equation for the thermal decomposition of limestone? CaCO3 --> CaO + CO2. 6 of 6
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