[C13] Carbonates Flashcards
1
Q
What does adding lime to soil do to the pH level of the soil ?
A
Increases
2
Q
Calcium carbonate –>
A
Calcium oxide + Carbon dioxide
3
Q
Limestone is converted to lime in process 1
Limestone is used to treat industrial waste in process 2
What are processes 1 and 2?
A
1: Decomposition
2: Neutralisation
4
Q
Which statement about calcium carbonate is not correct?
A: It forms carbon dioxide when it is mixed with dilute hydrochloric acid
B: It is formed by heating time
A
B
5
Q
Word equation for when limestone is heated it thermally decomposes into lime
A
Calcium carbonate –> calcium oxide + carbon dioxide
6
Q
What are the products of the thermal deposition of calcium carbonate, CaCO³
A
Calcium oxide and Carbon dioxide
7
Q
What is the chemical name for lime ?
A
Calcium carbonate
