Limestone and Building Materials Flashcards Preview

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Flashcards in Limestone and Building Materials Deck (18)
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0
Q

How can limestone be used as a building material?

A

Can be quarried and cut into blocks

1
Q

What does limestone mainly contain?

A

Calcium carbonate

CaCO(3)

2
Q

What does calcium carbonate decompose to produce?

A

Calcium oxide

Carbon dioxide

3
Q

What do other metals produce when they undergo thermal decomposition?

A

Metal oxide

Carbon dioxide

4
Q

What does calcium oxide and water produce when reacted together?

A

Calcium hydroxide Ca(OH)2

5
Q

What can calcium hydroxide be used for?

A

Neutralise soils and lakes faster than limestone

6
Q

What is calcium hydroxide solution also known as?

A

Limewater

7
Q

What does calcium hydroxide solution produce when reacting with carbon dioxide?

A

Calcium carbonate

Water

8
Q

What does powdered limestone and powdered clay produce when roasted?

A

Dry cement

9
Q

How is dry cement produced?

A

Powdered limestone and powdered clay are roasted in a rotary kiln

10
Q

How is mortar produced?

A

When cement is mixed with sand and water

11
Q

What is mortar used for?

A

Hold together bricks and stone during building

12
Q

How is concrete produced?

A

When cement is mixed with water, sand and gravel

13
Q

What does a metal carbonate produce when reacting with acid?

A

Salt
Water
Carbon dioxide

14
Q

What is limestone damaged by?

A

Acid rain

15
Q

Name three advantages of using limestone

A

Found naturally so is easily quarried
Allows new houses to ‘fit in’ with older houses
Better roads built to cope with quarry traffic
Creates local jobs
Other industries are attracted to the area (provide more jobs)
Quarry might invest in community to ‘win over’ locals

16
Q

Name three disadvantages of using limestone

A
Could be more expensive to quarry than use other building materials
Quarries destroy landscapes and habitats
Increased traffic
Noise pollution
Health problems from dust particles
Reduced tourism in the area
17
Q

Have you read the book for the advantages and disadvantages of using limestone, concrete and glass as a building material?

A