Limestone

Question 0

How is limestone formed?

Answer 0

Sedimentary rock - layers of sediment (small pieces of weathered rock) which are squeezed to become cemented together

Question 1

What is limestone made up of

Answer 1

Mainly calcium carbonate

Question 2

Symbol equation limestone

Answer 2

CaCO3

Question 3

Test for a carbonate ?

Answer 3

Add dilute acid - effervescence

Question 4

Thermal decomposition?

Answer 4

Using heat to break down a substance into 2 or more products

Question 5

Calcium carbonate + heat ->

Answer 5

Calcium oxide and carbon dioxide

Question 6

Calcium oxide symbol?

Answer 6

CaO

Question 7

Calcium oxide is another name for

Answer 7

Quick lime

Question 8

Quick lime is another name for

Answer 8

Calcium oxide

Question 9

Calcium carbonate other name

Answer 9

Limestone

Question 10

Calcium oxide and water equals

Answer 10

Calcium hydroxide

Question 11

Calcium hydroxide

Answer 11

Slaked lime

Question 12

Slaked lime

Answer 12

Calcium hydroxide

Question 13

Calcium hydroxide symbol

Answer 13

Ca(OH)2

Question 14

Calcium hydroxide and water equals

Answer 14

Calcium hydroxide solution ( limewater )

Question 15

Lime water

Answer 15

Calcium hydroxide solution

Question 16

Calcium hydroxide solution

Answer 16

Limewater

Question 17

Calcium hydroxide solution + what -> calcium carbonate and water

Answer 17

Carbon dioxide

Question 18

Limewater turns cloudy in the test for what?

Answer 18

CO2

Question 19

What is used to test for CO2

Answer 19

Limewater turns cloudy

Question 20

Does only limestone go through thermal decomposition?

Answer 20

No , all other carbonates decompose in a similar way

Question 21

Describe an equation for thermal decomposition

Answer 21

Metal carbonate — (heat) —> metal oxide + carbon dioxide

Question 22

Heating limestone with clay produces

Answer 22

Cement

Question 23

Cement made how

Answer 23

Heating limestone with clay

Question 24

Cement and sand and water and crushed rocks and aggregate

Answer 24

Concrete

Question 25

Concrete

Answer 25

Cement and sand and water and crushed rocks and aggregate

Question 26

Cement and sand and water

Answer 26

Mortar

Question 27

Mortar

Answer 27

Cement and sand and water

Question 28

Cement and sand and sodium carbonate

Answer 28

Glass

Question 29

Glass

Answer 29

Cement and sand and sodium carbonate

Question 30

Mortar advantages

Answer 30

Holds bricks stones together strongly

Question 31

Disadvantages mortar

Answer 31

Not harden quickly | Not able to be used with water present

Question 32

The strongest limestone based building material

Answer 32

Concrete

Question 33

Uses of limestone name 3

Answer 33

Toothpaste Neutralise acidic soil and lakes Building material