1.Consider the following statements:
Assertion(A) :Diamond is thermodynamically more stable than Graphite at room temperature and ordinary pressure

Reason (R) :In Diamond each carbon is tetrahedrally surrounded by four other carbon atoms and the tetrahedra are linked together into a three dimentional giant molecule.

Now select your answer according to the coding scheme given below :

2.Magnetic separation is used for the concentration of

3.During the Mesolithic Age developments in Coastal areas on the West Coast,Madras and Ceylon indicate

4.'Kantakasodhana'in the Mauryan Administration refers to which one of the following ?

5.Match List I correctly with List II and select your answer using the codes given below:
List I List II

a)Gordon Childe 1.History of Ancient Sanskrit Literature

b)Max Muelier 2.Caste in India

c)Will Durant 3.The Aryans

d)J.H.Hutton 4.Our Oriental Heritage

a b c d