chemsitr unit 6(limestone)

what is limestone

The raw material for production of slkad lime

What is limestone made of

It is a rock amde mostly of calcium carbonate

list the steps of the limestone cycle

limestone

heated for 20 minutes

qicklime

add water

slaked lime

what happens after limestone has been heated

It turns into calcium oxide and carbon dioxide

what can we visabley see happening when limestone is heated

It shines orange

what can we visabley see when water is added to quick lime

The solid will crumble and there will be a whisliling or hissing

how do you turn slaked lime back to limestone

By adding carbon dioxide

what are the uses of limestone

Manafacturing iorn

Manafacturing steel

Rock building

Making cement

Neurilizing acidic soil

what are the advtange of quarrying limestone

Provides materials for construction industry

More local jos

Creates more wealth for the comuntiy

Better road systems

what are the disadvantages of quarying limestone

Destruction of havitats

Spoils the landscape

Noise of explosions

Dust from lorries and explosions

what is thermal decomposition

A common reaction of metal carbonate

The process of breaking down into a compound Tim simplifer compounds of elements using heat

what is the relationship between the metals reactivity ad the metal carbonate

The more reactive the metal is the more stable it’s carbonate is

what is the chemical name for limestone

Calcium carbonate

what is the chemical formula for limestone

CaCO3

what is the chemical name of quicklime

Calcium oxide

what is the chemical formula for quick lime

CaO

what is the chemical name for slaked lime

Calcium hydroxide

what is the chemical formula for slakedlime

Ca(OH)2

What dose calcium carbonate produce when heated

Calcium oxide

What happens when water is added to calcium oxide

Calcium hydroxide is formed

What happens when carbon dioxide is added to calcium hyrdoxide

Calcium carbonate is formed