Limestone

Question 1

What is the chemical name for limestone?

Answer 1

Calcium Carbonate

Question 2

What is the formula for calcium carbonate?

Answer 2

CaCO3

Question 3

What is the chemical name for CaO

Answer 3

Calcium Oxide

Question 4

What is the chemical name for Ca(OH)2

Answer 4

Calcium Hydroxide

Question 5

What is the formula for Calcium Hydroxide?

Answer 5

Ca(OH)2

Question 6

What is Thermal Decomposition?

Answer 6

Breaking a substance down using heat

Question 7

What can you use Calcium Oxide for?

Answer 7

Neutralise acidic lakes and soils

Question 8

What do you get when you heat calcium carbonate?

Answer 8

Calcium Oxide and Carbon Dioxide

Question 9

What is the test for CO2

Answer 9

Lime water goes from clear to cloudy

Question 10

Name 3 advantages of quarrying limetsone

Answer 10

Creates jobs, Makes money for economy, It is restored after use, Gives us valuable limestone

Question 11

Name 3 disadvantages of quarrying limestone

Answer 11

Noisy, Messy, Destroys habitats, Increases traffic, Destroys areas of natural beauty

Question 12

What happens to the strength of concrete the more sand you add?

Answer 12

More sand weaker the concrete

Question 13

What is the formula for calcium hydroxide?

Answer 13

Ca(OH)2

Question 14

What is the formula for calcium oxide?

Answer 14

CaO

Question 15

What is the formula for calcium carbonate?

Answer 15

CaCO3