The most dangerous method of preparing hydrogen would be by the action of HCl on

The most dangerous method of preparing hydrogen would be by the action of HCl and :

Uyeno's method for preparation of hydrogen involves action of

Chlorine cannot be prepared by the action of HCl on

Name the most dangerous opiate?

Name the most dangerous opiate?

Discuss, with relevant chemical equations, various methods of preparing hydrogen peroxide. Which of these methods is useful to prepare D_(2)O_(2) ?

Give different methods of preparation of hydrogen peroxide.