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Flashcards in Limestone Deck (15)
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1
Q

What is the chemical name for limestone?

A

Calcium Carbonate

2
Q

What is the formula for calcium carbonate?

A

CaCO3

3
Q

What is the chemical name for CaO

A

Calcium Oxide

4
Q

What is the chemical name for Ca(OH)2

A

Calcium Hydroxide

5
Q

What is the formula for Calcium Hydroxide?

A

Ca(OH)2

6
Q

What is Thermal Decomposition?

A

Breaking a substance down using heat

7
Q

What can you use Calcium Oxide for?

A

Neutralise acidic lakes and soils

8
Q

What do you get when you heat calcium carbonate?

A

Calcium Oxide and Carbon Dioxide

9
Q

What is the test for CO2

A

Lime water goes from clear to cloudy

10
Q

Name 3 advantages of quarrying limetsone

A

Creates jobs, Makes money for economy, It is restored after use, Gives us valuable limestone

11
Q

Name 3 disadvantages of quarrying limestone

A

Noisy, Messy, Destroys habitats, Increases traffic, Destroys areas of natural beauty

12
Q

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

A

More sand weaker the concrete

13
Q

What is the formula for calcium hydroxide?

A

Ca(OH)2

14
Q

What is the formula for calcium oxide?

A

CaO

15
Q

What is the formula for calcium carbonate?

A

CaCO3