Q.1.
On heating, limestone breaks down into calcium oxide and carbon dioxide. What is the name of this type of reaction?
Q.2.
In the presence of carbon dioxide, what happens to limewater?
Q.3.
Calcium hydroxide dissolves in water to produce what?
Q.4.
The chemical name for the main mineral that is found in limestone is...
Q.5.
When calcium hydroxide is reacted with carbon dioxide, the substances produced are...
Q.6.
Limestone is badly affected by acid rain. Choose the equation below that describes this reaction.
Q.7.
Calcium oxide reacts with what to form calcium hydroxide?
Q.8.
Which gas is given off when calcium carbonate is heated strongly?
Q.9.
We can use limewater to test for the presence of which gas?
Q.10.
Choose the correct equation for the reaction that produces slaked lime (calcium hydroxide).