C1, Limestone

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  • Created by: emmajane_
  • Created on: 27-05-14 11:19
What is thermal decomposition
The breakdown of calcium carbonate when heated strongly
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What does thermal decomposition form?
Calcium oxide and carbon dioxide
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Name 3 other metal carbonates that decompose in the same way
sodium carbonate, magnesium carbonate and coppor carbonate
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What do metals high up in the reactivity series need to decompose?
A lot of energy
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What colours does Calcium oxide form when it is hot and cold?
Hot= Yellow Cold= White
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How is calcium hydroxide formed?
It is reacted with calcium oxide and water
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Name 3 purposes, apart from building, that limestone is used for
Cement, motar and concrete
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WHat happens when carbonates react with acid?
It produces carbon dioxide, a salt and water
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What is the pH like of calcium hydroxide? Wky is it useful?
An Alkali pH. Therefore used to solve acid rain
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What is an advantage and disadvantage of using concrete as a building material?
A= Easily formed into different shaped and sets hard D= It doesn't look attractive
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Name 2 advantages of limestone quarrying
1. Valubale resource, used to make concrete and glass 2. Provides jobs and brings money into local economy
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Name 2 disadvantages of limestone quarrying
1. Quarries very visible and permenantly damage environment 2. Creates noise and heavy traffic. Ruins peoples quality of lives
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Other cards in this set

Card 2

Front

What does thermal decomposition form?

Back

Calcium oxide and carbon dioxide

Card 3

Front

Name 3 other metal carbonates that decompose in the same way

Back

Preview of the front of card 3

Card 4

Front

What do metals high up in the reactivity series need to decompose?

Back

Preview of the front of card 4

Card 5

Front

What colours does Calcium oxide form when it is hot and cold?

Back

Preview of the front of card 5
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