How to Use "limestone" with Example Sentences

1. The kitchen has white walls and limestone floors .

2. Most caves are formed by limestone , a carbonate rock .

3. Calcium oxide is made by heating up limestone ( calcium carbonate ) .

4. They can be added to portland cement to replace some or all of the limestone .

5. Excavation was under way on a new trench , on the other side of a low limestone ridge .