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Thermal decomposition of calcium carbonate
Calcium carbonate = calcium oxide+ carbon dioxide
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How to make cement
Heat limestone with powered clay
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How to make concrete
Mix cement with sand, gravel and water
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How to make glass
Heat limestone with sand and sodium carbonate
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What is a precipitate reaction?
When soluble substances react to form an insoluble product
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How to make limewater
Add calcium oxide to water to form calcium hydroxide. Calcium hydroxide then dissolves in more water which leaves the limewater solution
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What do farmers spray on their fields to reduce acidity of fields?
Powered calcium carbonate, calcium oxide, calcium hydroxide
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What causes acid rain?
Sulfur dioxide
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Reaction of coal burning
Sulfur + Oxygen = Sulfur dioxide
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Card 2

Front

Heat limestone with powered clay

Back

How to make cement

Card 3

Front

Mix cement with sand, gravel and water

Back

Preview of the back of card 3

Card 4

Front

Heat limestone with sand and sodium carbonate

Back

Preview of the back of card 4

Card 5

Front

When soluble substances react to form an insoluble product

Back

Preview of the back of card 5
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