9.6 lime stone

04.14.2020
08:50:55
Dear students, today's topic in chemistry: limestone
Pg.no : 242 to 243
The important concepts to be covered are
1.uses of limestone
* To neutralize solis and lakes acidified by acid rain
* Cement - heating powdered limestone with clay in a rotary kiln in figure 9.26
* Concrete - buliding materials
2 . Manufacture of lime ( calcium oxide )
Look at figure 9.27,9.28 and 9.29..
No homework
For better understanding of concepts watch the below videos