Limestone and Building Materials

Question 0

How can limestone be used as a building material?

Answer 0

Can be quarried and cut into blocks

Question 1

What does limestone mainly contain?

Answer 1

Calcium carbonate

CaCO(3)

Question 2

What does calcium carbonate decompose to produce?

Answer 2

Calcium oxide

Carbon dioxide

Question 3

What do other metals produce when they undergo thermal decomposition?

Answer 3

Metal oxide

Carbon dioxide

Question 4

What does calcium oxide and water produce when reacted together?

Answer 4

Calcium hydroxide Ca(OH)2

Question 5

What can calcium hydroxide be used for?

Answer 5

Neutralise soils and lakes faster than limestone

Question 6

What is calcium hydroxide solution also known as?

Answer 6

Limewater

Question 7

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

Answer 7

Calcium carbonate

Water

Question 8

What does powdered limestone and powdered clay produce when roasted?

Answer 8

Dry cement

Question 9

How is dry cement produced?

Answer 9

Powdered limestone and powdered clay are roasted in a rotary kiln

Question 10

How is mortar produced?

Answer 10

When cement is mixed with sand and water

Question 11

What is mortar used for?

Answer 11

Hold together bricks and stone during building

Question 12

How is concrete produced?

Answer 12

When cement is mixed with water, sand and gravel

Question 13

What does a metal carbonate produce when reacting with acid?

Answer 13

Salt
Water
Carbon dioxide

Question 14

What is limestone damaged by?

Answer 14

Acid rain

Question 15

Name three advantages of using limestone

Answer 15

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

Question 16

Name three disadvantages of using limestone

Answer 16

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

Question 17

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