Limestone And Uses

Question 1

What is limestone used for?

Answer 1

Making buildings and the base of roads and railways.

Question 2

What is limestone mostly made of?

Answer 2

Calcium carbonate (CACO3)

Question 3

What is calcium carbonate used for?

Answer 3

Glass, cement or concrete

Question 4

What is the equation for the thermal decomposition of limestone?

Answer 4

Calcium Carbonate –> Calcium oxide + Carbon dioxide

Question 5

Write the symbol equation for the thermal decomposition of limestone

Answer 5

CaCO3 –> CaO + CO2

Question 6

What are the advantages of quarrying limestone?

Answer 6

Limestone is an important raw material
Quarries provide jobs in the countryside
Some limestone is exported helps the economy
Jobs in quarries help local economies because the workers spend money in local shops and businesses

Question 7

What are the disadvantages of quarrying limestone?

Answer 7

Quarries produce dust and noise destroys habitats and wildlife
Spoil the scenery
Lorries that take the limestone away cause extra traffic noise and pollution