Fill in the blanks
1. In the process of softening of hard water, exhausted permutit is regenerated by adding a solution of …….
2. ……. are used to demineralise water.
3. ……….. and …….. are used in petroleum refining and refining of vegetable oil.
4. ….. is used to decolourising agent in manufacture of sugar from molasses.
5. In forth floation process, the suiphide are particles are wetted by …....
6. …….. is defined as a substance which alters the rate of a chemical reaction without itself undergoing chemical change.
7. The decomposition of acetaldehyde by I catalyst is an example of …….. catalysis.
8. Manufacture of sulphuric acid by contact process is an example of …….. catalysis.
9. Friedel crafts reaction is an example of …….. catalysis.
10. The substances increases the activity of a catalyst are called ……….
