Unit 1-2.2- Reactions of carbonates Flashcards
1
Q
What happens when metal carbonates are heated strongly?
A
They decompose to the metal oxide and carbon dioxide.
2
Q
A Bunsen burner cannot get hot enough to decompose what?
A
Sodium carbonate and potassium carbonate.
3
Q
What do all carbonates react with and what do they produce?
A
Acids to produce a salt, water and carbon dioxide.
4
Q
Why is limestone damaged is acid rain?
A
Because the calcium carbonate reacts with the acid in the rain.
5
Q
What is limewater?
A
Calcium hydroxide.
6
Q
What is limewater used for?
A
To test for carbon dioxide.
7
Q
What happens when limewater and carbon dioxide react?
A
The limewater goes cloudy.
