Limestone

Question 0

How is cement made using limestone?

Answer 0

Powdered limestone+powdered clay

Question 1

What is limestone and what is the formula?

Answer 1

Limestone is mainly calcium carbonate and the formula is CaCO3

Question 2

How is concrete made?

Answer 2

Cement+sand+water

Question 3

How is calcium oxide made?

Answer 3

A furnace heats calcium carbonate

Question 4

Calcium oxide is used in…

Answer 4

The building and agricultural industry.

Question 5

Why do building made from limestone suffer from acid rain?

Answer 5

Because carbonates react with acid to form a salt, water and carbon dioxide.

Question 6

What do metal carbonates form when they are heated?

Answer 6

Metal oxide and carbon dioxide.

Question 7

How do we test for CO2?

Answer 7

The lime water turns cloudy due to a precipitate of particles forming causing the water to turn cloudy.

Question 8

How is mortar made?

Answer 8

Mixing cement with sand and water.

Question 9

3 benefits and 3 drawbacks of limestone quarrying.

Answer 9

Benefits
-provide jobs
-leads to improved roads
-can be used as landfill sites when finished with.
Drawbacks
-noisy
-destroys habitats
-eyesore