Limestone and it's uses

Question 0

Give two advantages of quarrying for limestone

Answer 0

Jobs for the local people, better payed jobs, better health and leisure facilities, better transport.

Question 1

How is limestone obtained?

Answer 1

Quarrying

Question 2

Give two disadvantages of quarrying for limestone

Answer 2

Damage to the landscape, loss of wildlife, noise pollution, dust pollution, traffic congestion.

Question 3

What is cement made of?

Answer 3

Heating limestone and clay

Question 4

What is mortar made of?

Answer 4

Cement, sand and water

Question 5

What is concrete made of?

Answer 5

Cement, gravel, sand and water

Question 6

What happens when cement reacts with water?

Answer 6

It forms crystals to help it stay together

Question 7

What is limewater?

Answer 7

Calcium hydroxide solution

Question 8

What is limewater used for?

Answer 8

Testing for CO2

Question 9

What happens when limewater reacts with CO2?

Answer 9

Calcium carbonate particles form, creating a precipitate which makes the solution go cloudy