the limestone cycle (C1)

Question 1

What can ‘calcium carbonate’ be known as?

Answer 1

limestone

Question 2

What is the chemical formula for limestone?

Answer 2

CaCO3 (calcium carbonate)

Question 3

what does limestone turn to when heat is added?

Answer 3

Quicklime and carbon dioxide

Question 4

what is release in the reaction between limestone and quicklime?

Answer 4

CO2 (carbon dioxide)

Question 5

What can ‘calcium oxide’ also be know as?

Answer 5

quicklime

Question 6

what is the chemical formula for quicklime?

Answer 6

CaO (calcium oxide)

Question 7

what is added to quicklime to get slacked lime?

Answer 7

a small amount of water (H2O)

Question 8

what is produced when quicklime is reacted with a small amount of water?

Answer 8

slacked lime

Question 9

what is needed to lime stone to turn to quicklime?

Answer 9

heat

Question 10

What can ‘slacked lime’ also be known as?

Answer 10

calcium hydroxide

Question 11

what is the chemical formula for slacked lime?

Answer 11

Ca(OH)2 (calcium hydroxide)

Question 12

what is added to slacked lime to make limewater?

Answer 12

water (H2O)

Question 13

what is produced when water is added to slacked lime?

Answer 13

limewater

Question 14

what can ‘limewater’ also be known as?

Answer 14

calcium hydroxide solution

Question 15

what is the chemical formula for limewater?

Answer 15

Ca(OH)2 (aq)

Question 16

what is added to limewater to produce limestone?

Answer 16

carbon dioxide (CO2)

Question 17

what is produced when carbon dioxide is added to limewater?

Answer 17

limestone