What is demineralised water? How is it obtained?

How is heavy water produced from ordinary water?

Explain why electrolysis of ordinary water occurs faster than heavy water.

Give two advantages of using hydrogen as a fuel over gasoline. 

What is the starting material for the manufacture of H₂O₂ by electrolysis by a most modern method?

How do we prepare H₂O₂ by reaction between BaO₂.8H₂O and dilute sulphuric acid ?

What is the defect of permutit method?

What is the structure of H₂O₂?

What is perhydral?

How saline hydride react with water ?