AQA C1.2- Limestone and its Uses 3.0 / 5 based on 1 rating ? ChemistryThe limestone cycleGCSEAQA Created by: CharlotteCreated on: 12-05-13 18:34 What kind of a reaction is this? calcium carbonate----------HEAT--------) calcium oxide + carbon dioxide thermal decomposition 1 of 18 Calcium oxide reacts with _____ to make calcium hydroxide water 2 of 18 Calcium hydroxide is an ______ alkali 3 of 18 What is the word equation for this reaction? calcium oxide + water -------) Calcium hydroxide 4 of 18 A lot of ____ is produced in this reaction heat 5 of 18 Limestone is a type of ____, mainly composed of _______ ________ rock, calcium carbonate 6 of 18 Limestone is ________ from the ground and used as a ________ material quarried, building 7 of 18 Limestone is used in the manufacture of cement, ______ and concrete mortar 8 of 18 Carbonates react with acids to produce a ____, water and _______ ______ salt, carbon dioxide 9 of 18 Limestone is damaged by ____ ____ acid rain 10 of 18 Carbon dioxide can be detected using ________ limewater 11 of 18 ______ is made by heating powdered limestone with clay cement 12 of 18 Cement is an ingredient in mortar and ________ concrete 13 of 18 Mortar is made with cement, ____ and ______ sand, water 14 of 18 ________ is made by mixing cement with sand, _____ and _________ water, aggregate (crushed rock) 15 of 18 Concrete is ______ ______ into different shapes before it sets hard easily formed 16 of 18 Concrete is ____ when bent or stretched weak 17 of 18 Concrete is made stringer by reinforcing it with _____ steel 18 of 18
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