Match List I(Phase diagram) with list II(Characteristic) and select the correct answer:
List I
A. Isomorphous system
B. Eutectic system
C. Peritectic system
D. Monotectic system
List II
1. One liquid decomposes into another liquid and solid
2. One liquid and another solid combine to form a new solid
3. Two metals are completely soluble in liquid state and completely insoluble in solid state
4. Two metals, soluble in solid and liquid state
Codes:
A B C D
(a) 2 3 4 1
(b) 4 1 2 3
(c) 2 1 4 3
(d) 4 3 2 1