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
1 of 23
Carbonates decompose to give..
an oxide and CO2
2 of 23
What 2 carbonates don't decompose in a bunsen burner?
sodium and potassium
3 of 23
How do you create cement?
heat limestone in a kiln
4 of 23
How do you make concrete
Aggreagate, water, cement and sand
5 of 23
3 uses of limestone..
Making buildings, cement and glass
6 of 23
Chalk is a form of..
limestone
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Thermal decomposition is..
the break down of a compound by heat
8 of 23
Give an example of thermal decomposition..
CaCO3 heated gives CaO and CO2
9 of 23
What is calcium oxide used for
farming
10 of 23
What is the test for CO2
Limewater turns milky
11 of 23
2 advantages of quarrying
Provides jobs and neutralised soil
12 of 23
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.
14 of 23
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
View more cards

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