how can you tell if carbonate breaks down when heated?
-it gives off carbon dioxide gas (turns lime water milky) -it changes colour
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what is made when you heat up a metal carbonate?
metal oxide + carbon dioxide
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what is made when carbonate and acid reacts together?
salt+ carbon dioxide + water
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what are some advantages and disadvantages of limestone?
adv- easy to cut into shape and its cheap disadv-warn away easily
10 of 15
what are some advantages and disadvantages of concrete?
adv-it doesn't corrode disadv-looks unattractive
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what are some advantages and disadvantages of glass?
adv-transparent disadv-can be expensive and it breaks easily
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what are the reasons for quarrying?
-limestone is needed for building trade, will provide jobs and money for local people, limestone is need to make cement and glass
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what are the reasons against quarrying?
-ruins the beauty of the countryside -local wildlife would lose their habitats
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whys to limit the problem of quarrying?
-trees would be planted the quarry -quarrying would stop at night -it would be turned into a fishing lake when finished with -lorries could be sprayed to keep the dust down
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