Limestone

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  • Created by: harde
  • Created on: 26-01-14 17:26
Carbonates react with acids to give ...
Salt, Water and CO2
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Carbonates decompose to give..
an oxide and CO2
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What 2 carbonates don't decompose in a bunsen burner?
sodium and potassium
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How do you create cement?
heat limestone in a kiln
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How do you make concrete
Aggreagate, water, cement and sand
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3 uses of limestone..
Making buildings, cement and glass
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Chalk is a form of..
limestone
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Thermal decomposition is..
the break down of a compound by heat
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Give an example of thermal decomposition..
CaCO3 heated gives CaO and CO2
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What is calcium oxide used for
farming
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What is the test for CO2
Limewater turns milky
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2 advantages of quarrying
Provides jobs and neutralised soil
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2 disadvantages of quarrying
It creates noise and dust
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Define Quarrying
When you blow a big hole in the ground and extract rocks that you need.
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What is the first step in the limestone cycle
CaCO3 is heated to give CO2 and CaO
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What is the second step in the limestone cycle
You add water to CaO to give Ca(OH)2(g)
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What is the third step of the limestone cycle
Add more water to Ca(OH)2(g) to give Ca(OH)2(aq)
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CaCO3 can be known as..
Calcium carbonate or limestone
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CaO can be known as..
calcium oxide or quicklime
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Ca(OH)2(s) can be known as..
calcium hydroxide or slaked lime
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Ca(OH)2(aq) can be known as..
Calcium hydroxide solution or limewater
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defination of calcium hydroxide
Calcium hydroxide is an alkali, it reacts with acids in neutralisation reactions. Farmers use it to improve acidic soil.
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Ca(OH)2 and 2HCl react to give
CaCl2 and 2H2O
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Other cards in this set

Card 2

Front

Carbonates decompose to give..

Back

an oxide and CO2

Card 3

Front

What 2 carbonates don't decompose in a bunsen burner?

Back

Preview of the front of card 3

Card 4

Front

How do you create cement?

Back

Preview of the front of card 4

Card 5

Front

How do you make concrete

Back

Preview of the front of card 5
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