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GCSE chemistry core > Limestone > Flashcards

Limestone Flashcards

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1
Q

What is the chemical name for limestone?

A

Calcium Carbonate

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2
Q

What is the symbol equation for calcium carbonate?

A

CaCO3

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3
Q

What is the chemical name for CaO?

A

Calcium Oxide

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4
Q

What is the chemical name for Ca(OH)2?

A

Calcium Hydroxide

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5
Q

What is the symbol equation for Calcium Hydroxide?

A

Ca(OH)2

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6
Q

What is thermal decomposition?

A

Breaking a substance down, using heat

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7
Q

What can you use Calcium Oxide for?

A

Neutralise acid lakes and soils

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8
Q

What is produced when you heat Calcium Carbonate?

A

Calcium Oxide and Carbon Dioxide

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9
Q

What is the test for CO2?

A

Limewater, from clear to cloudy

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10
Q

Name 3 advantages of quarrying limestone.

A

Makes money for the economy
Gives people jobs
Restored after use
Gives us valuable limestone

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11
Q

Name 3 disadvantages of quarrying limestone.

A 
Noisy 
Messy 
Creates traffic
Destroys habitats
Destroys areas of natural beauty
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12
Q

What happens to the strength of concrete the more sand you add?

A

More sand weakens the concrete

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13
Q

What is the symbol equation for Calcium Oxide?

A

CaO

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GCSE chemistry core (7 decks)

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