How is `D_(2)O_(2)` prepared?

(a) How is H_(2)O_(2) prepared? (b) Explain about the structure of H_(2)O_(2) .

How can D_(2)O_(2) prepared form water ? Mention the physcial properties in which D_(2)O differs from H_(2)O . Given at least three reaction of D_(2)O showing the exchange of hydrogen with deuterium.

How can D_(2)O_(2) prepared form water ? Mention the physcial properties in which D_(2)O differs from H_(2)O . Given at least three reaction of D_(2)O showing the exchange of hydrogen with deuterium.

How is K_(2)Cr_(2)O_(7) prepared from chromite ore ? Give the reactions involved.

How is K_2Cr_2O_7 prepared ? Write chemical equations.

In lab H_(2)O_(2) is prepared by

In lab H_(2)O_(2) is prepared by

In the laboratory, H_(2)O_(2) is prepared by the action of