Rocks and building materials

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  • Created by: Sam Evans
  • Created on: 19-05-14 20:44
What is the formula for limestone?
CaCO3
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How is cement made
By heating a mixture of limestone and clay
2 of 8
Name the four substances used to make concrete
Cement, sand, water and aggregate
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What is meant by thermal decomposition of a compound
Breaking down of a compound by heating
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Name the products formed when calcium carbonate is heated strongly
Calcium oxide carbon dioxide
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Write a word equation for the reaction of calcium oxide with water
calcium oxide + water -> calcium hydroxide
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Limewater goes cloudy when mixed with carbon dioxide. Explain why
Calcium hydroxid eis formed and is insoluble
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Explain why acids damage limestone
Acdis react with limestone to produce carbon dioxide and a salt. The salt dissolves in water and wears away the limestone
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Other cards in this set

Card 2

Front

How is cement made

Back

By heating a mixture of limestone and clay

Card 3

Front

Name the four substances used to make concrete

Back

Preview of the front of card 3

Card 4

Front

What is meant by thermal decomposition of a compound

Back

Preview of the front of card 4

Card 5

Front

Name the products formed when calcium carbonate is heated strongly

Back

Preview of the front of card 5
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