For the following questions answer them individually
Match List I with List II:
List-I (Example of colloids)       List-II (Classification)
(a) Cheese                   (i) dispersion of liquid in liquid
(b) Pumice stone             (ii) dispersion of liquid in gas
(c) Hair cream               (iii) dispersion of gas in solid
(d) Cloud                    (iv) dispersion of liquid in solid
Choose the most appropriate answer from the options given below:
Match List I with List II: (Both having metallurgical terms)
List-I                    List-II
(a) Concentration of Ag ore   (i) Reverberatory furnace
(b) Blast furnace           (ii) Pig iron
(c) Blister copper           (iii) Leaching with dilute NaCN solution
(d) Froth floatation method   (iv) Sulfide ores
Choose the correct answer from the options given below:
Which one of the following metal complexes is most stable?

What is the major product "P" of the following reaction?
Maleic anhydride
Maleic anhydride can be prepared by:

A reaction of benzonitrile with one equivalent CH$$_3$$MgBr followed by hydrolysis produces a yellow liquid "P". The compound "P" will give positive _________ test.
A biodegradable polyamide can be made from:
Which one of the following is correct structure for cytosine?