The oxidation states of nitrogen in the following equations are
$ 4[NH_{3}OH]^{+} (X) \rightarrow N_{2}O (Y) +2NH_{4}^{+} (Z) +2H^{+}+3H_{2}O $
X Y Z

During the oxidation of acidified ferrous ammonium sulphate with dichromate solution

Consider the following statements:
Assertion (A) : Copper is mainly used in Electrical Engineering Industry.
Reason (R) : Copper has the property of high conductivity.

Arrange the following plants species in descending order based on their altitude.

Assertion (A) : Fundamental Duties do not have any legal sanction
Reason (R) : The Fundamental duties cannot be enforced by courts

Consider the following statements:
(a) The 73rd Constitutional Amendment Act inserts certain provisions into Part IX of the Constitution
(b) It empowers the State Legislature to make laws for the organisation of Panchayats at Village level as well as at the higher levels of a district
Choose the correct answer from the options given below:

The first Individual Satyagrahi was

Which among the following Congress session was presided over by Irish member Alfred Web?

The first editor of the paper "Bande Matram" was

(Divide Rs. 680 among A, B, C so that A gets 3 times more to B and B gets 4 times to C.