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1.
Which among the following shows maximum oxidation state?
2.
A substance, that by its sharp colour change indicates the completion of reaction is known as :
3.
In the reaction, 
, the number of electrons that must be added to the right is:
, the number of electrons that must be added to the right is:
4.
A solution of 
is reduced to 
The normality of solution is 0.6. The molarity is:
is reduced to The normality of solution is 0.6. The molarity is:
5.
In the reaction of 
and 
the later acts as :
and the later acts as :
6.
Of the following reactions, only one is a redox reaction. Identify this reaction.
7.
Reductants are substances which :
8.
In the equation, 
The equivalent weight of stannous chloride (molecular weight = 190) will be :
The equivalent weight of stannous chloride (molecular weight = 190) will be :
9.
The oxoacid which acts both as oxidising and reducing agent is :
10.
Oxidation state of oxygen is −1 in the compound :