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Chemistry C1 > Limestone > Flashcards

Limestone Flashcards

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1
Q

What happens when limestone is heated

A

Thermally decomposes to make carbon dioixde and calcium oxide

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2
Q

What happens when calcium carbonate reacts with acid

A

It’s makes a calcium salt, carbon dioxide and water

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3
Q

When calcium oxide reacts with water what is produced

A

Calcium hydroxide

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4
Q

What can calcium hydroxide be used for

A

It is an alkali which can be used to neutralise acidic soil in fields

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5
Q

What can calcium hydroxide be used for

A

To test for CO2

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6
Q

How do you know if there’s carbon dioxide

A

Limewater is used as a test, The solution turns cloudy

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7
Q

What can limestone be used to make

A

Heated with clay- Cement
Cement mixed with sand to make mortar
Then makes concrete

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8
Q

What happens to limestone

A

It is quarried and can be used as a building material

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9
Q

What can limestone be damaged by

A

Acid rain

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10
Q

What is limestone

A

Calcium carbonate

Caco3

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Chemistry C1 (13 decks)

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