1.2 (P2) Limestones Uses And Issues

Question 1

What is limestone (calcium carbonate) used for? Why?

Answer 1

Building materials

It is strong and hard

Question 2

What typical items are made as a result of limestone?

Answer 2

Cement
Mortar
Concrete
Glass

Question 4

What is calcium oxide used for?

Answer 4

Steel manufacturing

Agriculture

Question 5

How is cement made?

Answer 5

Limestone is heated in a clay kiln

The calcium oxide produced reacts with the clay to make cement

Question 6

How is motor made?

Answer 6

Mixing cement, sand and water

Question 7

How is concrete made?

Answer 7

Adding aggregate (crushed rock) to cement, sand and water

Question 8

What is also made as a result of limestone?

Answer 8

Toothpaste
Cosmetics 
Medicines
Pigment in paper
Paint

Question 9

Name some disadvantages of quarrying limestone?

Answer 9

Destroys the landscape
Destroys habitats and wildlife
Causes pollution from dust
Noise disruption
Houses decrease in value
CO2 released
More traffic

Question 10

Name some advantages of quarrying limestone?

Answer 10

More job opportunities
Improves the local economy
Improves roads

Question 11

In what ways are quarries trying to improve?

Answer 11

Cleaning trucks to minimise pollution
Explosions at friendly times when it will least impact lives
Planting trees or filing the quarry with water once finished