2.3 The Limestone Reaction Cycle Flashcards
1
Q
What does calcium carbonate decompose to make when heated strongly?
A
Carbon dioxide and calcium oxide
2
Q
When water is added to calcium oxide, what is made?
A
Calcium hydroxide
3
Q
When water is added to calcium hydroxide what is made?
A
Calcium hydroxide solution (limewater)
4
Q
What does calcium hydroxide solution react with and what is made?
A
Reacts with carbon dioxide to produce calcium carbonate
5
Q
What can calcium hydroxide be used to do?
A
Neutralise acids because it is an alkali
6
Q
What is the formula for calcium hydroxide?
A
Ca(OH)2
7
Q
What is the formula for calcium oxide?
A
CaO
8
Q
What is the formula for calcium carbonate?
A
CaCO3