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1.
Oxidation number of S in 
is :
is :
2.
In the reaction, 
, The eq.wt. of 
is :
, The eq.wt. of is :
3.
In the reaction, 
the substance undergoing oxidation is
the substance undergoing oxidation is
4.
The least count of burette used normally in laboratory is :
5.
Among 
and 
the number of molecules having nitrogen in negative oxidation state is
and the number of molecules having nitrogen in negative oxidation state is
6.
In which iron has the lowest oxidation state?
7.
A chemical balance used normally for weighing in laboratory can weigh upto a least count of :
8.
When 
is dissolved in water, the sodium ion becomes :
is dissolved in water, the sodium ion becomes :
9.
Which is not a redox reaction?
10.
When 
ion reacts with 
ion in acidic solution 
is liberated. The equivalent weight of 
is :
ion reacts with ion in acidic solution is liberated. The equivalent weight of is :