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1.
Electrolysis of 
gives 
at anode. Vacuum distillation of 
gives 
The number of peroxy 
bonds present in 
respectively are
gives at anode. Vacuum distillation of gives The number of peroxy bonds present in respectively are
2.
3.
Which of the following reactions produces hydrogen?
4.
is formed by which of the following compounds?
is formed by which of the following compounds?
5.
Which of the following acts as both reducing and oxidising agents?
6.
The sum of protons, electrons and neutrons in the heaviest isotope of hydrogen is
7.
On shaking with acidified potassium dichromate and ether, ethereal layer becomes
with acidified potassium dichromate and ether, ethereal layer becomes
8.
9.
Hydrogen does not combine with
10.
