C1.2 Limestone

Question 1

advantages of quarying

Answer 1

=provides jobs
=new road links
=supplies limestone for industries
=after use ,quarry can be used as a reservoir, landfill site or for leisure activities

Question 2

disadvantage of quarying

Answer 2

=uses dangerous explosives
=scars the landscape
=destroys habitats
=noise disturbs residents

Question 3

mortar

Answer 3

made from cement and sand

Question 4

what is cement made from

Answer 4

made by heating powdered limestone and clay togethe

Question 5

explain the limestone cycle

Answer 5

Limestone(calcium carbonate)
Thermaly decomposes
quick lime(calcium oxide)
reacted with water
slaked lime (calcium hydroxide)
Add water to dissolve
Lime water(calcium hydroxide solution()
calcium carbonate

Question 6

test for CO2

Answer 6

if carbon dioxide is bubbled through limewater it turns cloudy